![]() As mentioned in the video, the only real challenge loading with this setup is the strange balance (center of gravity) for these “top heavy” cartridges. This ammunition was loaded on the Hornady Lock-N-Load AP 5-station progressive reloading press:Ī nice addition here would be a powder check die like Hornady’s Powder Cop, or the RCBS Lock-Out die. Always cross-reference load data with manufacturer’s published data.Īs mentioned in the video, if you’re looking for once-fired 300 Blackout brass, you can find it at Capital Cartridge (use “ULTIMATE” code to save 10%!). Ultimate Reloader is not responsible for errors in load data on this website. ![]() 9.0, 10.0 grains Hodgdon H-110 powder (See chronograph data below).Tested LoadsĪfter some testing and trials, I settled on the following components for my subsonic 300 Blackout loads for this article: This rifle performed flawlessly, absolutely love the AR Diamond trigger! I will however be looking for a better magazine setup for 300 Blackout scenarios (metal mag used would bind cartridges when loading). TriggerTech AR Diamond 1.5lb Trigger (see my review HERE).CMMG RipStock with 6 Position Enhanced Receiver Extension.Berry’s 300 Blackout 220 grain bullets fill an important niche in the “heavy 30 caliber” bullet market, offering optimum weight and performance for 300 Blackout without breaking the bank.įor the testing performed as a part of putting this article together, I used the following AR-15 rifle configuration:Īnderson Manufacturing AR-15 300 Blackout Upper:ĬMMG Resolute AR-15 Lower: ( full rifles HERE, my CMMG 350 Legend story HERE)
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