Good 375 H&H mold/load for practice???

[dogdoc]

Anybody got any suggestions for a good 375 H&H mold (model and manufacturer) or a source for commercial bullets. I want some some light practice loads easy on my shoulder and barrel. Thanks

Sonny

[Bullshop]

Anybody got any suggestions for a good 375 H&H mold (model and manufacturer) or a source for commercial bullets. I want some some light practice loads easy on my shoulder and barrel. Thanks

Sonny
Bull Shop Link at bottom of page.
BIC/BS

[beagle]

dogdoc....You're fortunate to have selected a great cast caliber for a big bore. The selection of available moulds is plentiful.

IMO, the best production mould is the RCBS 37-250-FB RCBS. The #373 Saeco is also a good design. Both shoot well in my Number 1 Ruger.

If you'll look on E-Bay, you might find an old Lyman/Ideal 375296. I have a DC that has one cavity HP'd and it's my favorite.

My Ruger likes them sized to .376./beagle

[wmitty]

RCBS .375 - 250 gr has worked really well in the M 70 I've been shooting them thru- heat treated wheel weights work great and have just about eliminated the need to use jacketed projectiles on anything wandering around here in north Texas.

[jpb]

RCBS .375 - 250 gr has worked really well in the M 70 I've been shooting them thru- heat treated wheel weights work great and have just about eliminated the need to use jacketed projectiles on anything wandering around here in north Texas.

Another vote vote for the RCBS .375 250gr bullet -- great performance in my Brno .375 and Sako .375 .

John

[NuJudge]

I've been digging around in a lot of bullet casting stuff my Dad gave me years ago, and I found a plain-base 375248 mold.

Can anyone suggest a powder charge (without fillers) that works with this bullet in a bolt-action .375 H&H?

I like to use bullets as-cast, and dropped in to water from the mold. That which I have read says the as-cast diameter from this design will be about .379. Is this anybody's experience?

My .375 H&H is a Mark X Mauser that will shoot cloverleaf groups at 100 yards with Winchester 270 grain factory ammo, but the blast and recoil are at the ragged edge of what I care to shoot.

CDD

[Nrut]

RCBS .375 - 250 gr has worked really well in the M 70 I've been shooting them thru- heat treated wheel weights work great and have just about eliminated the need to use jacketed projectiles on anything wandering around here in north Texas.
wmitty...I have a M70 and a RCBS mold also but haven't had time to shot cast out of it yet....what's your favorite powder shooting cast and what kind of vel. should one expect? .......thanks mic

[wmitty]

Nrut, the most accurate load I've come up with (I know this sounds crazy) is 40 grains of WW 296 with WLR primer and HTWW boolit lubed with Liquid Alox seated to touch leade. I chrono'ed these at 2020 fps with no leading problems. I've tried MR 3100 with full case and velocity was approx. 2350 fps but accuracy was 3" plus at 100 yards and this was 20 years ago when I was convinced if I couldn't reach jacketed projectile velocities the load was useless. I did try duplex loading with 4198 under the MR 3100: velocity increased and accuracy decreased. I've also tried Re-7 with and without filler and wasn't impressed with the accuracy. I'm now loading with surplus 4895 but have not been able to shoot any of these. Hope this is of some use.

[Nrut]

Thanks wmitty....You are right about the WW296 load (quote; I know this sounds crazy) .... In the last few weeks I recall someone else using either 296 or H-110 in rifle loads.....I think I'll try AA5744 and H4895 .....good info on your experinace with the tumble lubed bullets @ 2020 fps as I didn't think it would work at that speed....cheers mic

[220]

Though I would bring this thread back to life instead of starting a new one.
Looks like son and I will be off on a safari in the Northern Territory here in Aus towards the end of next year.
With luck we will have opportunities to take buffalo, scrub bulls, as well as donkeys, pigs and other ferals. The gun safe really doesn't have anything in it suitable for large dangerous game and we are looking at a 375h&h. Probably going to use j-word for the dangerous game but keen to try cast on some of the others. Gun will also see some use on our local deer than can run from 150-500lb depending on species.
Thinking about a Noe 378 275 anyone have experience with this mould?
Any other suggestions or advice, would anyone feel confident taking on DG with cast?

[AlaskanGuy]

I just love my lyman 375449. Make purty boolits that shoot great...

AG

[Dale53]

I had a Winchester Model 70 .375 H&H for many years. However, the only head of big game I took with it was a nice black bear in Ontario.

My cast bullet of choice was the Lyman 375449 gas check. As I remember, it averaged about 1½" at 100 yards and was quite pleasant to shoot.

However, I gifted my son-in-law with my rifle and loading data so don't have that to share. He is a serious hunter and lives in the West where he has access to good big game hunting (elk, bear, and moose) and will make GOOD use of the outfit.

FWIW
Dale53

[Outpost75]

The most used .375 load among my friends is #375449, cast of COWW, shot without GC, loaded as-cast and unsized with 12-13 grains of Bullseye, Red Dot, or 700-X. No case filler is needed. Use standard large rifle primers. Ballistics are like a .38-55, pleasant to shoot and accurate, won't wear out either your shoulder or the barrel. We have used lots of these for many years to shoot camp meat for biltong, very well proven in lots of different rifles. No need to size bullet unless your chamber and ball seat are "tight," or if your particular mold casts large, over .379". Alloy harder than 12 BHN is neither necessary nor recommended.

In most rifles if the iron sights are zeroed for 300-grain full-power factory loads at 200 yards, these hit close to point of aim at 50 yards or metres, and no sight adjustment is necessary. If using a scope with duplex reticle, with rifle zeroed for full-power load with 235-grain spitzer or 270-grain SP, use bottom post of the duplex like a front sight post and you will probably be "close enough" without sight adjustment. Your mileage may vary, but we've had good luck with this.

[NVScouter]

My 320s are all I shoot at 2100fps worked on deer and elk. It's a nice easy load as well. Shot clean through an elk at 280yards. Maybe harden it a tad for buffalo. Forget jacketed.

[220]

Ended up going for a NOE 275gr. Still doing load development but things looked promising.
Had a bit of trouble finding data for powders easily available here in Aus, have been trying AR2207 (H4198) closest thing to IMR4198 for which data seems plentiful.
Started with the Lyman recommended start load for#375449 with IMR and have worked up to their max listed load, velocity has consistently been around 150fps below the listed velocity. Pressures seem very mild, 9, 3 shot groups at 100 and only one over 2" the majority 1-1.5". Using a crohny at the same time and still getting the odd shot with a big SD always faster and always higher on the target spoiling an otherwise great group.
Want to get to around 2000fps, will continue to work up, hoping the SD comes down as the velocity and load density increases. If not I may have to investigate using a filler, something I have never tried before.
Here are the last 2 loads tried with a factory group for comparison.
http://madmick3006.com/ahngallery/upload/files/2014-08/436b13f5.jpg

[dh2]

I am working on this issue with Lyman #375449 . 264 Grain Flat Nose Gas Check so far I have try sizing these .376 and pushing them with the starting load of IMR4198 from the Lyman vast bullet manual. it give me a 3 inch group at 50 yards. Not near good enough to me.
I got at .377 sizer and going to work up and see if I can do better.
if not I got a mould from tom at accurate on swap and sell for a 300Gr, bore rider I will go there next.

[220]

Im sizing .377

[JonB_in_Glencoe]

I'm reviving this thread ...again.

I'm in the middle of a gun swap, it all goes well, I'll be shooting a Interarms Mark X 375 H&H soon, and will be in the market for a mold and ...

The use of WW 296 mentioned in this thread interests me...anyone else use it ?

[btroj]

Not me: I like me some 2400. 265 gr cast over 27.5 gr shoots very well

[JonB_in_Glencoe]

Thanks for the tip.

I got the rifle, she's a beauty.
Another rifle on my "todo" list for shooting cast in.

[Hardcast416taylor]

You guys have got me thinking about a 275 gr. mold I got from Bruce at BRP before he closed the doors a few years back. Come Spring I`ll have to dig the .375 H&H out and try them out. Up to now I`ve always used the Lyman 375449.Robert

[RobS]

Bruce (BRP) made my mold just before he closed up shop too. A two cavity with one solid and another hollow pointed is what he made me. Glad to see this same design is over at NOE http://noebulletmolds.com/NV/product_info.php?cPath=52&products_id=561

This 378-275 and has been very good for my rifle. I shoot water quenched wheel weight alloyed boolits in my Savage 375 H&H 1:12" twist. Sized to .377, pushed with 54-55 grains of Varget, along with tuft of polyester to keep the powder in place, and my own Red 10 lube, this combo is a MOA shooter for me.

[RobS]

I also have a full aluminum bedded Choate stock for my Savage so the action is rock solid and barrel is free floated. The factory tupperware stock was a joke and I could never get anything to group with it.
http://media.midwayusa.com/productimages/880x660/Primary/128/761001.jpg

[1Shirt]

My #1 Ruger likes375449HP, 28 gr. 2400, est 1800 fps. 100+ yd deer load. A bang flop load!
" " " " 38 Gr. 4198, est 2000fps. 50 yd, 5 shot group .9" (4 in .575")
" " " NOE270GC 35 gr. Rx7 est 1750fps 50 yd 5 shot group l.3"(4 in .825)
All loads with approx. 1/2 gr. Dac fill. (Use at your own risk)
1Shirt!

[Bored1]

My #1 Ruger likes375449HP, 28 gr. 2400, est 1800 fps. 100+ yd deer load. A bang flop load!
" " " " 38 Gr. 4198, est 2000fps. 50 yd, 5 shot group .9" (4 in .575")
" " " NOE270GC 35 gr. Rx7 est 1750fps 50 yd 5 shot group l.3"(4 in .825)
All loads with approx. 1/2 gr. Dac fill. (Use at your own risk)
1Shirt!

"Likes" is the UNDERSTATEMENT of the night! That #1 flat out loves those loads. Best group I've ever put on paper was with that adn one of those loads! Had me looking for a 375 h&h earlier.