Knight's Armament 14.5" SR15 5.56mm Pistol with KAC 14.5" MLOK Upper,...
These are the rarest uppers and lowers Knight's produces. Knight's...
Knight's Armament 14.5" SR25 .308cal Pistol with KAC 14.5" MLOK...
Knight's Armament 11.5" SR15 5.56mm Pistol with KAC 11.5" MLOK Upper,...