AIM Sports Inc AR15 Pistol Buffer Assmbly Black Small Black Small. Specifications for AIM Sports Inc AR15 Pistol Buffer Assmbly: Manufacturer: AIM Sports Inc Color: Black Gun Make: AR Platform Gun Model: AR-15 Features of AIM Sports Inc AR15 Pistol Buffer Assmbly Enhanced 7075-T6 Aluminum Pistol Buffer Tube Carbine buffer (3 oz) Buffer spring End plate and lock nut Package Contents: AIM Sports Inc AR15 Pistol Buffer Assmbly Enhanced 7075-T6 Aluminum Pistol Buffer Tube Carbine buffer (3 oz) Buffer spring End plate and lock nut What firearm models does the manufacturer say AIM Sports Inc AR15 Pistol Buffer Assmbly is compatible with? The manufacturer says that AIM Sports Inc AR15 Pistol Buffer Assmbly is compatible with AR-15AIM Sports Inc ARPASM: AR15 Pistol Buffer Assmbly Black Small ARPASM Black Small