Weapon Systems SR-15/16, SR-25, SR-M110 SASS, LMG, PDW, M203, Masterkey

KAC PDW 6X35mm
SR-15/SR-16 Series 5.56mm
SR-25 Series 7.62mm
LMG 5.56mm
M203/Masterkey 40mm/12 GA

Knight's Armament Weapon Systems, SR-15, SR-25, SR M-110, SASS, Masterkey, M203