Aug 13, 2017 · I'm brand new to the 300 BLK cartridge and brand new to this forum as well. The reason I chose 300 BLK is because it performs very well from short barrels and I wanted a short, maneuverable gun for home defense. That said, I come from a 5.56mm background and know very little about 300 BLK trajectories across various distances.

Dec 14, 2013 · There tends to be a lot of newer 300 blk owners, and re-loaders joining lately, and I believe that will continue to grow. They are constantly asking about powders. Often powders that are way to slow to be used effectively in the 300 blk. So this is going to be a List of powders that can be used in the 300 blk.

Oct 24, 2021 · Re: 300 blk zero assistance Post by bangbangping » Mon Oct 25, 2021 2:50 am Assuming you're somewhere around 2200 fps with a 110 grain bullet in a 10" barrel...sight in dead on at 25 and you shouldn't be more than two or three inches high or low out to 200.

Apr 2, 2013 · For 300 BLK supersonic, it is 190 yards or so if you are ok always being within +- 3.0 inches. You can also achieve that by zeroing at 30 yards, being 1.3 inches high at 50 yards, or being 3 inches high at 100 yards.

Aug 20, 2015 · thanks for the replies. the more I think about it, I'm sure it is a brass problem because it has been happening with all my supersonic loads with different bullets & powders. the brass is mixed but mostly military head stamped (LC). and I have the same problem in all 3 of my Black Out firearms. a Model 1 Sales 16" upper on a Bushmaster lower with an A-2 stock, a 9" pistol build upper on a ...

Feb 21, 2025 · Everything but 300 AAC Blackout. Topics Posts Last post; General Gun Talk Moderators: gds, bakerjw, renegade.

Sep 4, 2016 · Sorry if this is a repeat question but I didn't find anything searching the forums. New to reloading, new to 300 Blackout...so all around newbie. Here's my set-up: Hornady Lock n Load AP progressive press Hornady Custom Grade 300 Blackout die set Bullets: Hornady 110 grain V-max Hornady 110 grain Z-max Nosler 110 grain Varmageddon

Jun 21, 2020 · I recently completed my first AR 15 build from a Daytona Tactical 80% complete kit chambered in 300 BLK. The problem I’m having is with Magpul 1st gen 5.56 30 round magizines. When trying to chamber the first round the bolt seems to be dragging the top cartridge when retracting the charging handle, and the first round doesn’t chamber fully.

Oct 11, 2013 · Re: 300 black out brass back in stock for sale Post by Accumax » Wed Jul 24, 2013 10:00 pm We have hit a mail stone today at noon mountain time we made our 85 millionth pc. of 300 blackout brass

Apr 4, 2014 · KFA .223 REM - 0.015"-0.019" Sampled 10 or so of 40. I acquired ~40 or so of this brass from a range where the guy shooting didn't reload so gave it to me. I converted it with the pile of mixed headstamp brass