5709:11 AR-15 Pistols: 1st Shots with the .300 BLK and .458 SOCOM Several months ago I bought two pistol uppers - a 10.5" .458 SOCOM and an 8.5" .300 BLK. This is a function check and the first shots fired from my new AR-15 pistols. Loads of BaconOctober 6, 20197.75K 45
