Primary Weapons Systems FSC556 MOD 2 FSC Series Flash Suppressing Compensator Muzzle Device .223 Black 1/2x28 threads 3G2FSC12A-1F. Primary Weapons Systems machined these Flash Hiders from 4140 steel that's FNC LIFE HD treated to create the toughest...
Primary Weapons Systems FSC556 MOD 2 FSC Series Flash Suppressing Compensator Muzzle Device .223 Black 1/2x28 threads 3G2FSC12A-1F. Primary Weapons Systems machined these Flash Hiders from 4140 steel that's FNC LIFE HD treated to create the toughest...