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My Thumbler Tumbler is going on 50 years old. Got it used in the 1980's.

In the early days we used Walnut and red jeweler's rouge - not the best but got the job done.
Wet cleaning is better. all...

Maybe splitting hairs here, you might consider one part WW with two parts pure Pb and add 2% tin to make the bullet both soft and hold any mushroom intact. The outcome may be the same as your alloy 9...

It appears that with in the above hardness range, reasonable cartridge neck sizes get pushed out (expanded) by the bullet ending up with the same hold on the bullet.

I posted this about a month ago...
I did an experiment making one expander and turning it down 0.001" smaller each time and pulling the bullets to measure.
This is a small sample and may not...

I did something like this too and reported here
https://castboolits.gunloads.com/showthread.php?466661-Factory-die-set-expanders

Check out my VS at RIX for more info on expanders.

Thanks for the reply.

So there is no real red light indicator for you either. Just watching and some intuition.

I shoot a match called 22 BPCR, (silhouette) targets at 50, 100, 150 and 200...

That was a good old film. I think I saw sometime in the dim past.

In the 1980's I owned a house in Leadville, CO. Leadville, a mining town was primary about Silver mines. We never hear much...

Did the rifle barrel start "talkin" to you during a match and reflect in your score?
Or did you somehow deal with it ahead of time and have some "heads up" so accuracy did not drop off during a...

I wasn't daring enough to have the bottleneck chamber. I have two rifles chambered for the Sharps Straight.
Not helpful, I know.

Can you spell out the acronym RFB please. I assume RF is rim fire but not clicking on the B.

This is been in interest of mine for decades. This is what I think I know about Pb - Sn alloys and time.
Look to the bottom sited quote below.

I have other data including samples I have tested...

Thanks for the answer.
Some irony, ...when I first got my Ruger 77-22 Hornet sometime in the early 1990's maybe, I had a house in Leadville, CO and in the Coast to Coast hardware store, they had...

Please remind me what the difference is between Remington 6-1/2 and Rem 7-1/2 primers.

The 457 191 molds I have are regular base and not beveled. One each single cavity and one 4-cavity. I think I have seen a beveled version. I don't know how the two 457 191's are marked.

Tho the...

Yes. The steel in those early days could barely be called steel. In fact, we read various batches weren't even close to being the same and full of inclusions. I was a little boy at the time so I...

Thanks for getting back to me. The BHN for Pure Pb is on track with many sources. At least that hasn't changed. :p

BHN has been a keyboard conversation for the 25 years I have been following it....

Winchester also marked some barrels using the words "Winchester Proof Steel" in this era.

If that is the case, there are a lot of really bad charts and info floating around for a century or more.
Interesting!!!

Just for grins, what does pure Pb come in at?
Silicon, Si is listed in...

mehavey
Question....
With your system, does Roto Metals 30-1 read as a BHN of 5.7????

Sure. I take your point.
I separate it for my needs into Match ammo of various quality - almost all of which is < 1100 fps and built for accuracy, and then cheap plinking/utility ammo, of which most...

You said you were looking for a flintier. No one said anything about percussion!

I just thought, in the mean time, learning on one you didn't have much money into could be instructive, and the...

While you are working up to the "keeper" rifle, you might check a few pawn shops.

They will often have a few that never sell and while they may not be great, the low price, (talk them way way...

This is very true. As a stand alone statement, it holds up very well.
However, all 22rf ammo, both Standard velocity and Hi-velocity (except the hiper velocity) operate in the Trans-sonic range....

Based on what?

I think the classic Winchester and Remington Standard Velocity are Supersonic. They list there product both at 1150 fps.
CCI lists at 1070
The Tippmann I had lists 1050
Aguila at 1085
SK...