300BlkTalk

Anyone have any good recipes with IMR 4227 and berrys 220 grain plated bullets? Using CCI 400 primers mixed LC brass

Id be wanting to avoid crimping. With that being the case, should I try to bump up tension .001 from my approx. .002 that Im currently getting?

Just enough to keep the bullet from moving, either banging around in the magazine, or when chambering. In addition to the things Regaj mentioned, the three biggest issues with not being able to give a concrete number for this cartridge are extreme bullet weight variations, combine that with compres...

Just enough to keep the bullet from moving, either banging around in the magazine, or when chambering. In addition to the things Regaj mentioned, the three biggest issues with not being able to give a concrete number for this cartridge are extreme bullet weight variations, combine that with compres...

Wizards, dellet, 20x11, bangbangping! Need yalls take!

Whats a good neck tension for semi auto 300 blackout? I feel like I might be on the looser end - Im getting .002 approx.

The hornady expander balls are pretty smooth relative to some others.

What’s the easiest most effective way to shave .001” off of a hornady expander ball?

My trim length is still within SAAMI spec of 1.348-1.368. Anyone find that accuracy drops off when cases are trimmed to the lower spec?

I've personally had 11gr of H110 squib in 38 Special. About 55% case fill. Then I read about SEE (Secondary Explosive Effect). I don't know that it exists, but there are better powders for subs. However single digit extreme velocity spreads are common when H110 gets near 100% case capacity. Great m...