APF Armory AR-15 MilSpec Carbine Buffer Tube Assembly Black

APF Armory AR-15 MilSpec Carbine Buffer Assembly Black. Specifications for APF Armory AR-15 MilSpec Carbine Buffer Assembly: Manufacturer: APF Armory Color: Black Fabric/Material: Steel Gun Make: AR Platform Gun Model: AR-15 Features of APF Armory AR-15 MilSpec Carbine Buffer Assembly: 6 Positions includes castle nut and endplate Package Contents: APF Armory Alex Pro Firearms Mil Spec Buffer Tube Assembly Black What firearm models does the manufacturer say APF Armory AR-15 MilSpec Carbine Buffer Assembly is compatible with? The manufacturer says that APF Armory AR-15 MilSpec Carbine Buffer Assembly is compatible with AR-15APF RPLP557: AR-15 MilSpec Carbine Buffer Assembly Black