Mk107 Mod 1-m 223 Wylde 7.75'' Bbl Complete Upper Receiver
Style : Complete Color : Black Contour : Pistol Make/Model : Primary Weapons System|MK107 Mod 1-M Model : MK107 Mod 1-M Finish : Anodized Make : Primary Weapons System Length : 7.75'' Twist : 1-8