Bought a legendary Brno #1

[barrabruce]

Well a bought a barrelled action without a stock.
And only one bulge in the barrel.
Well it turned out to be 4 bulges but who’s counting.:?
Fitted it in what looks like a Chinese slug gun stock.
Shot it then lopped off the last 3" of barrel to get back past a bulge and to good rifling.

Phew.
The firing pin channel in the bolt seems like it was machined with a hammer drill and wood spade drill.
It is wobbly and to adjust the trigger right low it makes it unsafe if you breath the wrong way.
Are they all like this?
Any great fixes?
The trigger pull is nice enough adjusted back some but I’m thinking of more the consistency of ignition for accuracy.
It seems to bottom out and sent vibrations though the stock into my ear and seems loud but it isn’t when you take your head off the stock, if that makes sense.
Is it me or am I expecting too much.

Thanks
Bruce

[barrabruce]

Here she is a work in progress.
280304
280305
280306
After trying to shoot off bags and getting no where I just shot using the bags as support for my leading hand.

10 shot group of cci std at 50 yards which is about a 5cent piece.
See 280307
May get a bit more out of it but probably good enough for rabbit shooting.

Thanks for visiting

[303Guy]

Interesting. The group seems to be circular. If that's the case then maybe hang a weight on or near the muzzle or check the bedding. On the other hand, for a fifty yard group, that's not too shabby.

What ammo do you have available in your parts? I've been trying a bunch of different ammo and been getting interesting results. Some ammo shoots better in different rifles. Some pretty good and some not so much but change rifles and it's the other way round.

You know, a rabbit is somewhat bigger than that coin and I challenge you to hit that coin offhand. With that group, you would have hit it with every shot! I'm betting a rabbit would stand no chance with you behind that gun out further than 75 yds. And CCI Standard doesn't shoot better than that anyway.

[barrabruce]

Interesting.

What ammo do you have available in your parts? I've been trying a bunch of different ammo and been getting interesting results.
CCI Standard doesn't shoot better than that anyway.
Well CCI does better in my ‘ol Remington lopped off shorty usually.
This is on the same target with a cold clean barrel.
It does better but I just sent them down really.
280311
That’s when I changed to shooting holding the gun like I always have.
These groups are with the rest and I shot them after other ammo without any foulers or lubers whatever.
I’ll have to wait till I can make a day of driving to get more sample ammo.
280315
280316
280317
I used cci blaser 10 shots which was an eye opener.
Eley sport green packet cheap? Stuff.15x
Federal champion std velocity with tarnished cases.10x
Cci std my go to.
I’m keeping my old stock of cci std for real work as the post apocalyptic and covid stuff I get more erratic odd ones.

Interesting all the cheap blamo ammo has gone up and a lot are now/ was @$10 a packet which is expensive but the likes of the cheaper level target ammo are looking more appealing.

I may take my 10 ths mic with me and measure some ammo to try if I can.

This could take a while before I make the journey up the big hill again.
:?

[Mk42gunner]

Groups don't look bad to me for a gun in the condition you describe.

Never knowingly held a real Brno #1, I can't say as to the normal quality; but I thought they evolved into what is marketed in the US as the CZ Model 452. I could be wrong about that, but the bolt root sure looks familiar to me.

Robert

[barrabruce]

Well you are correct.
The first brnos were made of sterner stuff.
Ordnance steel like may of that post war era.
The barrels are hard stuff and screwed into the action.
The trigger in mine is different and the safety lever but hasn’t changed that much.
The ones had a tight choked bore and are supported to be better than the 2’s
I don’t really know if it is nit picking or not.
My hadn’t been used much but is slippery smooth.
You can hold the muzzle down and it will chamber a round after I fixed the mag feeding and if you lift the bolt it will slide down with the empty case if you raise the muzzle.
The barrel looks the same as my 1958 hornet so I could graft it in more or less if I have to.
I will put up some pics if you are interested.
They have a following over here and they made a model 2 I believe for the Ozzie farmers a gun to have.
Better than that new stuff. Ha.

[barrabruce]

The photos that I think are different and may or maybe not relevant differences.
From what I have seen at the range and read roughly.
Big point. barrel is 20mmx1.5 Pitch threaded and the action is 30mm diameter.
Barrel is beefier and did have a mid barrel screw and pressure from the fore-end tip.
280322
The trigger is a adjustable 2 stage on this one and adjusted to single let off by me.

To the bolt
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I believe the locking lug is bigger.
The handle has a ball indent to lock into the action when closed.
The safety is in inline with the bolt.
You have to push forward on the trigger to realise the bolt from the action.
280325
The firing pin sear is tapered back wards and doesn’t ride the trigger on release.
The firing pin is a rectangular wedge shape that protrudes nearly but not quite to the bolt face.
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As you can see a rough in letting and a make do bedding job with JB weld as it was all I had.
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I may take off the side bedding but will leave it for now.

The barrel has had a light Lapp but I will leave it unless it is needed.

I may try hacking the stock up because it is slightly cactus wompus to favour those right handed lunatics.
And see how’s she goes.
Next time I’m digging out my dodgy wind flags.
Splattering a bit of chicken blood around.
And hell why not ..... even have my yearly bath ....if I need it or not.
Ha.
Standards must be met.

[tazman]

Don't forget to experiment with a potato in your pocket!
Much depends on which pocket and how large the potato. Also makes a difference if it has been freshly washed or has eyes starting to grow out.

[Mk42gunner]

Thanks for the pictures.

Also, please remember the potato goes in the front.

Robert

[barrabruce]

Well I’m ready for the week-end.
It may be raining and blowing.
If I can get it abit better I’ll take it.
If not I’m pulling out all stops and following O.S br thread I’ve been inspired to try those tuners again.
I bet everyone’s eyes will boggle with jealousy when Clap their peepers on this one.
280582
Ha
I got a few empty different Eley coloured packets to put my cci stds in.

[barrabruce]

Well that tuner lasted the time sitting in the safe and taking it out to play.
I must have picked up a burr or something and the soft aluminium gualled and froze.
I shoulda put some never seize on it. Dohhh!

Made this instead and I think it looks better and I won’t have to put up with.
"He’s got a silencer on his gun” and all that nonsense.
Honest you don’t know how much trouble people will cause you just because they get something in their minds.
Then they get offended because they were wrong.
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[edp2k]

Jeepers creepers that looks like something from the adult toy store, and I don't mean a gunshop :)

[Jniedbalski]

I got burno. #2. What difference does it have with the #1? I really like my burno. I have a China jw15 which is a copy of the burno. This is a military trainer not a import gun so it’s very well made. It’s so muck better than the ones they built for import. It shoots as good as the burno with match ammo. I remember buying it out of shotgun news for 200$ back in the spring of 89. I thaugh I was getting a real burno. After I got it in I was highly upset it was a Chinese made and not the burno until I shot it. It would hang with the burno a
On accuracy. And the jw15 had a really good adj trigger where the #1 didint I thank. The trigger is amazingly on the jw15. I

[iomskp]

Had I known you were looking for a Brno No 1 you could of bought mine with stock.

[Stephen Cohen]

my uncle was from up your way barra, and when he died a couple years back his wife handed his Mod 1 into Police before he was even buried, it originally was my Gran dads and the Cop begged her to sell it rather than have it destroyed but she had it destroyed, it was in mint condition and I was a few days too late to get it. My brother and I wanted that rifle and never knew what happened to it after old Pop passed. You may cry now. Regards Stephen

[Mk42gunner]

Well Browning called their barrel tuner the Boss, what are you going to call yours? Bathroom attendant sounds reasonable.

Robert

[barrabruce]

I don’t know what to call the tuner yet.
Thinking buttmaster 2000 with optional pile scratcher.

Tried some more ammo today.
It doesn’t mind cci std and cci blaser but seams to have expensive tastes with Eley cameo ammo.
Hated Sk and Winchester.
After the Winchester it was spraying bullets till I got the/some lead out of the bore.
So I think are too small but I will measure them to see tomorrow.
280782280783
280784280785

Cci std best group and some more.
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I found The rifle was jumping off the bags and the projectile was hitting pretty well where it went.:?

I ended the day trying to shoot the staples out of the target snuggled up in my small shooting bean bag and towel as a rest.
Got close on a few .Even clipped one twice
Think I got to either learn to use a rest .Do something to the stock.
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Given up for now.
Tried the tuner but the hole may have been too small and the blow by was harassing things.
I shortened it and increased the diameter so it may work next time.

Still mostly the 5 cent piece range with ammo it likes.
Greased the firing pin and hole where it sits and seems quieter.
Tried some cardboard from the ammo packet in the for-end tip but did nothing.

May try some silicone in the stock.

Don’t know what everyone’s does but it maybe the limit for this one.

Thanks for watching
Bruce

[Mk42gunner]

Don't know if this will help your groups or not; but I have seen people get their rifle settled in the bags with their shoulder not even touching the butt of the gun and squeeze the trigger by pinching the trigger and trigger guard. Free recoil isn't going to cause a .22 to move much, and in theory it may help.

Personally, I always want to hold the rifle with at least my firing hand.

Seeing your five cent piece made me think of how long its been since I visited Australia. Hard to believe it was twenty five years ago.

Robert

[barrabruce]

I measured the ammo today.
From the box I tested just plucking rounds.
The cci std old school batch 0.224" 80%plus some 223"
New cci Std 0.223-4" mostly 0.2235"

Blaszers 0.2243" avg
Eley edge 0.224" pretty consistent with that weird crimp and blk case but the lube seems white spotty (heat maybe).
They seem the best in this rifle so far.
Cci std new stuff a bit flighty at times but below eley.

SK std plus 0.223-4" from measuring should shoot but it might be the slippery lube or they speak a foreign language who knows they must be leaking in the bore to have such consistency but shoot so bad.
Winchester subsonic 40 grn hp 0.223" and some minus that. Not much lube.these leaded to bore.
Maybe after it filled up the loose spots it would sort itself out but I doubt it.
Looks like this Brno1 likes the fatter bullets.
Maybe I’ll do a chamber cast and make a bump die for it.
Ha Dreaming right !!!

I will have to work on my bench technique.
Maybe I need to get the axe out and hack off the toe of the stock so it sits inline with the bore with a bag.
See if I should maybe cut the butt plate vertical..
Dunno I may have to find a stock hacking for dummies book to read.

I should make it for off hand shooting as it’s my weakest position.
Well it’s becoming more of my only position as I’m getting more remastered by time and gravity.
Ha.
5cent piece is 0.760" or 3/4" inch for us trying to get all the advantages we can.
10cent is bout an 1"

I don’t know what dime size groups are but it must be impressive too.

[Mk42gunner]

Our dime (ten cents) is approximately 11/16". Measured with a carpenter's steel tape measure, I'll try a caliper when I get home tonight.

It is also very close in diameter to your old two dollar gold colored coin, but about half the thickness.

Robert

[BBMF1]

G'day from Downunder. [smilie=s:

G'day All , I have owned many an average model 1 brno when I still had my gun store all the old cocky's would bring them in to upgrade to a model 2 and my standard practice was to shorten them to 16" barrels and thread them for hush puppies , generally I found the well worn barrels performed better with high velocity winchester bunny ammo and of the hundred or so that passed through my doors I have never had one brought back because of poor accuracy .

Regards Paul . :-)

[barrabruce]

BBMF1
What sort of accuracy you talking of?

I’ll be happy if I can get this one to shoot more consistent as it only 2 small and one larger bulge in the barrel.

I could chop it back more to get past the 3rd bulge but I’ll have to measure it to see how short it would be.
I think the chamber has seen better days after 70 years.
I have read that 1" at 50 is average and I use only 5 or ten shot groups.


I found my home-made whack’em paco toolout I made and forgot about.
I don’t need it for my other 22’s.
It puts a eps point but make the drive bands tapered.
They feed into the chamber the last bit with feel so I it may help.
Tried a few of the worse performing ammo to see if it helps them at all.
Time will tell.
Thanks all.

[BBMF1]

G'day from Downunder [smilie=s:

G'day barrabruce , generally 1/2" at 25 yards for 5 shots , depending how much usable barrel length you have behind the bulges I would try to shorten the barrel to get rid of them and set the barrel back a half inch and run a reamer in to give it a fresh chamber and you should be good to go if not look for a model 2 barrel to replace it with .

Regards Paul. :smile:

[barrabruce]

Well I would have to cut back another 6 inches from the barrel which would make it ten.
Then set back least 1/2 an inch and maybe a bit more for clean crisper rifling.
That just leaves a couple of small bulge-Etts near the chamber end.

That is if I had a reamer of match specs.
Which I don’t have.
And most advertised reamers are generic labeled.
Like match reamer.


Errghh may get away with a dodgy d reamer if I could make one right.

I don’t know how I could then put a long bloop tube on it to make it legal.
If I welded, it will warp and buggar the rifling.
If I threaded and pin and welded it it may be o.k.
But I think I would have to take it to a gun shop and you know how dicey those ******** are for a start.
Let alone pay them to do anything.
No I haven’t had the pleasure of any decent work done by one.
Same people only 30 yrs older.

So I would be looking at a lucky second hand barrel or most likely something which I would have to work on or a new one.

I would like to mess it up myself a few times before I have relent and give it to someone else to sprout a packet of lies for so so work.
I can do that myself.
Let’s see if I start with a 24 inch blank that lets me have at least 8 goes before I would have to concede defeat.

[303Guy]

I worked with this fellow who got himself a single shot - probably a Slazenger, and chopped the barrel down a fair bit then made an extension tube to bring the barrel back to length. This tube was then a long skinny suppressor which worked very well. It screwed on and had a an inner tube that formed the first baffle but I don't remember what else it had. It may have been a series of these tube that extended rearward or just two. Anyway, he had refitted the front sight on this extension tube.

You know, you speak of distrusting gunsmiths. Well, I took my 512 to a guy to fix the excess headspace problem. The way the Remington bolt is made it would be an easy fix. True the face on the cocking piece, fit a new bolt body which it needed and make a spacer. But no, he welds a lump of seagull doo onto one of the locking faces and grinds it to a bearing face which now looks like a lump of weld, partly flattened. Ok so now it only locks on one face. Sure, it works but it's wrong and it looks bad. He says to me the gun is just a wall hanger, not worth anything. But he still charged me for his work! He showed me other work he had done. He was actually very good when he wanted to be!

[barrabruce]

303 guy
Sounds good but all You need to do is strap a coke bottle on the end of your gun.
I seened in the movie shooter.

And that’s why I paper patch too!

I would have to see if it there is a legal to attach a bloop tube permanently a gun that long to make it legal over all length.
I have seen pistols with welded pipe on them to make them over 4" when they changed some rules.
But the ones I saw had a weld all around them.
I suppose accuracy doesn’t count for much on a belly gun.
They ain’t getting my guns! Was the cry.

[BBMF1]

G'day from Downunder[smilie=s:

G;day barrabruce , I suggest you google Sprinter arms down here in South Australia and speak to them in regards to your problem , they are barrel makers and Keith has stacks of barrels on hand and is fairly reasonable and does a good job .

Regards Paul :smile:

[barrabruce]

Well dragged it to the range today for some shooting this morning.
My excuses are there was mirage and my glasses kept fogging and going out of focus.

Now to the nitty gritty.
I played with the bedding a little more and hacked some off the stock,so,it feels more comfortable for a left hander.

A couple of groups of cc1 std conforms to it didn’t change much at 50yrds.
I shot off my bean bag and towel as I feel better shooting that way for now somewhat.

281127
Still shooting at the 5cent Mark.
Next I tried some ammo with my sizer/bump die and they were all given the same or there abouts the same whacks and things so it all should even out.
Cci std one flyer 281128
Sk bumped shot better one flyer off shot 3" away281129
WW subsonic hp 281130

Some improvements for sure.
Then I put 0n the tuner and dial it in a little.
I didn’t shoot a lot with it so I may need more range time but am pleased how it’s shooting now.
May not move it at all.

bumped ammo with turner set on 3.0 groups at 50 yards.

CCI STD 281131
3 in a cluster at 1 o’clock.281132

Eley with and without tune only 2x5 shot groups shot. Didn’t want to waste ammo.
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Seemed to change the group from horizontal to vertical.

So I will conclude that bumping helps with this rifle and the buttmaster 2000 seems to work as well.
It seems to like the Eley edge but I think it could be obsolete now.
Have to thy the Eley green box again too if I can find some more.
But the cci stds are good enough bumped if I can figure out a way for consistency and don’t mind a rouge one.

Cheers.
Bruce.

[barrabruce]

Oops forgot this one.281135
10 shots a couple rouge ones but it is about as good as I can do at the moment.
Cci bumped and tuner .
Tin can accuracy .
Now to learn to shoot offhand to take up 303 guys bet.
Ha

[303Guy]

My late dad's 22 Mauser has been producing groups petty much like your Brno. Then with one ammo it shot a decent group, that being Eley Club. I now have a few reasonable groups. Not great but good enough to bag a rabbit out to 75yds.

So I'm suggesting keep trying different ammo. Look at this group. It's only 25m though but it's a 1.5 MOA nine shot group (excluding the first shot) for a rust damaged bore.
https://i.postimg.cc/024yXZZ0/DSCF3293.jpg (https://postimages.org/)

That's from my first 'group' with this rifle a few months ago.
https://i.postimg.cc/xjpbV4mN/20201004-161303.jpg (https://postimages.org/)

[barrabruce]

I suppose 1.5" would be about the kill zone of an average rabbit for a head shot.
Correct me if I’m wrong.
It’s been a long time.
So theoretically both guns should be good to go.
Reality states it will probably blow out more that.
But they usually spread out a bit more then go to sleep and string vertical more than horizontal.
But that could be just parallax errors being taken out of the equation too.
One hundred yards was a long shot for me at night with most 25-50 yards and the wind usually died down mostly.
Day time well you take it as it comes.
Maybe a single shot adaptor and hand feeding could tighten groups up a tad more.
I wonder how the EPS points go for hunting with that little flat and teat.

[Jniedbalski]

If you want a new stock and can’t find a burno one try a jw15 Chinese stock. My jw15 is almost a exact copy of my burno #2

[barrabruce]

If you want a new stock and can’t find a burno one try a jw15 Chinese stock. My jw15 is almost a exact copy of my burno #2
Yes I have put a feeler out to a bloke who lost one to a flood through his house.
See how I go.
His shot well after he took some of the rough out of it.
Can’t remember but probably 1/2" at 50 yards.
How does yours perform being a proper made copy?

[303Guy]

Well unless I can find a hollow nose ammo that shoots OK in the Mauser I'll just shoot it on the range. The Mauser works perfectly fine as a single shot although one has to be careful in laying the round on the magazine or it can tilt and not feed. I wasn't actually loading into the chamber which I could do in the field. I never magazine feed on the range. Although, they had a competition on which I would be able to participate in and that would require magazine feeding - or would it? Time wise probably.

Anyway, how are your eyes? I was struggling even with a scope. I know my bad shots were not me because I could see the shots hitting away from point of release. Thinking about it now I realize that after the first few shots, the group did not get bigger. Damn! I should have fired another group. Anyway, I'll reserve the last of my Eley Club for the Mauser for the next session. I'll change the scope to one that I can see better with to try eliminate a variable.

Looking back at your groups, you have some nice ones with Eley. I wonder what effect changing ammo has? I noticed a tendency for the first few shots to open up with an ammo change.

[barrabruce]

Eley seems the go.
Costing me 3x as much thou so I haven’t wasted any shots yet.
Glad I have wasted a brick of cheaper ammo so far or there abouts.

I do suffer from eye fatigue and a bit of dehydration and I get floating debri across my vision.
Or is that just my cataracts getting formed properly.

It does take a bit to recondition the bore And I’ll be sticking to what I can get easily.

At least I have tried some of this entry level target ammo.

I haven’t used any in my good gun yet it could prove expletive expensive.

I think I have narrowed my narrow choices down thou.

I have just machined gunned the groups down when the conditions have settled.
You can work a right handed gun pretty quick without distubing your left hand and eye position and sight picture.

I don’t understand why they take all day with a proper rest to fire a shot.
I suppose because they are paying $1-1.5 a shot.

I can load Pb cast 30-30 cheaper.

Bahhh humbug.

[303Guy]

Well this guy said SK shoots real well in his rifle and the stuff is cheap and it's available. I'm hesitant to just buy 500 rnds but on the other hand I have several rifles that it might work in. My 510 seems to like several different ammos and so does my 512 so it won't be wasted. OFFICIAL 300 cost me NZ$26 for fifty! It doesn't shoot any better than cheaper stuff and produced a middle of group flyer.

I'll be seeing an eye doctor one of these days. I do have dry eye syndrome so that might be the cause of my eye issues but they sure get tired quickly. I've lost my off hand touch unfortunately because there one doesn't need 16 year old eyes. Oh well, I'll just keep doing the best I can. Mind you, there was this youngster at the range with a fancy new rifle and he wasn't coming close to me.

I don't feel smug about it though - I would actually like to help him if I could. I like to see these youngsters shoot well. On the previous session there was this youngster with his pride and joy Brno I think and he was not doing well at all. I noted he was resting the barrel on the rest. I mentioned it to him and he took it on board. I didn't get to see how he shot after that.

[Jniedbalski]

Yes I have put a feeler out to a bloke who lost one to a flood through his house.
See how I go.
His shot well after he took some of the rough out of it.
Can’t remember but probably 1/2" at 50 yards.
How does yours perform being a proper made copy?. My jw15 would do 1/2 in at 50 and 3/4 to a inch at 100. This is not all the time and I could only do it with eley match ammo. 25 or more years ago I was paying 20$ to 25 a box for it. Standard cci did well but the eley did the best.

[barrabruce]

Thanks.
I modified the tuner some
I think I may get finer adjustments out of it.
Think I might rename it Barbara or some such.
281328

[Mk42gunner]

Well, that just may improve her attitude...

Robert

[MOshooter]

Congrats, nice find!
I hope one day to find a BRNO rimfire.
Currently I own a 452 American and 452 Ultra Lux. I haven't had the time to really sit down with the 452 Ultra Lux w/ the 28.6 inch barrel and really work on groups. I've done a lot of shooting with the CZ 452 American 22 lr. and very impressed with accuracy, the American shoots well under 1/2 MOA 5 shot groups at 100 yards consistently.

Again congratulations on the BRNO

[barrabruce]

Took Barbara to the range after it has only rained 30 days and nights.
Sort of sounds biblical.
Third setting with cci std and it grouped well.
282230
Trouble is I had trouble adjusting it more as I needed a pair of pliers to unlock the nut.
So I took it off.
This was with larger sized bullets.

Still had flyers as some were too hard to chamber.

So I shot some cci std as bought and Eley.
The Eley is a bit smaller groups overall .
I did make some larger sized Eley and had a flyer or two but they shot even better.
282231
282232
Seems as if I will have to spend some more time with the bumping tool as the just slightly sized ones didn’t really improved groups much at all.
Anyway I may get it to shoot a bit better and maybe decide on where to go after a few more packets down range.

Took my martini cadet down as I haven’t shot for ages and needed to test out some new primers.
282233
Ten shots in the lower group and trying to sight it in to the sticker above.
May leave the 22lr’s at home.
Much easier if I feel like casting and loading and cheaper too.
Ha

Why are all my photo’s on the side I don’t know why?[smilie=b:

[barrabruce]

Well I had a bit of a think about the bedding and converted it back to how I done it originally.
Deep cleaned the barrel again.
Took the tuner off for a proper base point.
After some reconditioning of the bore I fired some modified ammo.
Flat points slightly sized to 0.2245" denoted with a "o"
Eley type points sized to 0.225" denoted by a "o" with a dot inside.
All shot 50yds with cci std
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282629
So I tried some unadulterated cci std.
282630
To top it off I had 7 cci quiets that is not bad for 50 yards.
282631
Moved on to try some Eley edge.
282632
First group and yes, I thought you beauty, but the other groups tell the tale.
So I have decide to leave it alone and enjoy the way it is.
I may have lucked onto a couple of lucky packets of cci std but we will see.
282633
The rabbits and 303 guy need not fret much as my offhand really needs work.
I may try a weight on the end to make the gun nose heavy if it doesn’t effect it’s grouping.

Now I’m worried if I should clean the bore or not since it is shooting better or just put it away in the safe in the back now and move on to something else.

Ha.
Thanks everyone been fun
Barra

[303Guy]

That's looking very nice. No need to worry about my off hand - I'm way out of practice. :mrgreen:

It's annoying how the first group shoots nice and tight then then they open up! I wonder why it does that sometimes? I've got another week to wait to get back out to the range but weather could intervene. I'm keen to see what if any, difference my Toz bedding job will make. It produced one nice little group then not so nice. I'm hoping that's caused by the bedding.

[barrabruce]

I forgot that I cleaned and measured the bolt and found out I can get 0.015" of paper just compressed on the top portion of bolt to breachface.
It was hard to close and the locking lugs were shiny afterwards.
Any way scraping and poking with a dental pick I scraped off a thick layer of gook that I thought was blueing on the firing pin where it mates up to the bolt.
Forgot how much protrusion I gained but it was significant.
Thanks to Forrest r ruger 22/45 thread about firing pin behaviour.
I think it may have contributed to the groups tightening up the extra bit.
At least I have good ignition on the rounds now.
So It seems I have some headspace but I might try single seating compared to magazine fed to see if it does anything.

3030 guy I have found when things go south it stays that way till I clean out the lead sometimes amd things get better again.
I just took the sharp edges off the bulges and catchy bits a couple of times.
Seems about as good as I can expect from the old girl.
The start of the rifling to the bulge is a bit ordinary but after is good to the end.
Maybe I could make a long adito throat that slowly pushes the bullet down in size.
Ha

[barrabruce]

Well someone gave me a stock for a jv15 they played with before his lost his guns in a flood.
I lengthen it a bit an hack away here and there.
Made a tuner weight thingo for it and have played a little with it.
It looks like this now.
287155
An shoots like this.
287156
Think I’m finished with it.
Now just have to shoot more off hand and get better at it.
More of a lump to cart around but I wanted to have a go at benchrest sortta anyway.And try a thumb hole stock.
I can always change it back if I get sick of it.
Thanks for the support.
I don’t think I’ll bother with a new barrel or anything really.
Cheers
Bruce