I bought a .300 b/o upper from PSA (PSA 8.5" PL Nitride 300 AAC 1/7 2A M-Lok Upper) a few months ago as a test bed to see if I liked the cartridge. My intention was to run this part time suppressed. I had a new Colt BCG and charging handle laying around. The upper has run suppressed and unsuppressed without issue in roughly 300 rounds in conjunction with my Saker 7.62.
I used an Aero Precision lower with BCM receiver extension, H buffer, and action spring. Ammunition has been some supers and mostly subs. No issues and has eaten everything I've fed it. For $249 I have no complaints.
And yes, I labeled the hell out of this thing and my two mags so that I don't feed it or any other rifle the wrong ammo...........
Untitled by Helas_9, on Flickr
Last edited by Slvr Surfr; 09-17-18 at 19:45.
Reason: Add photo
Life's a risk, enjoy the adventure - HOPLOETHOS
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