Trinity Force Steel Castle Nut & End Plate AR-15 Buffer Tube

Trinity Force Steel Castle Nut & End Plate The Trinity Force AR Receiver Castle Nut & Endplate combo features hardened steel construction and is melonited for finish matching and corrosion resistance. The Castle Nut & endplate fits both Mil-Spec and commercial tubes. For your safety, Trinity Force recommends this part be installed by a competent, qualified gunsmith/installer with an understanding of the weapon platform that the part is being installed on. Always make sure the firearm is unloaded and pointed in a safe direction when working.