Strike Industries Pistol Buffer Tube/Short Receiver Extension Kit AR-15 5.28 in Black One Size. Strike Industries machined these AR15 Buffer Assemblies from 7075-T6 aluminum for enhanced strength. This Strike Industries 5.28in Pistol Buffer Tube Kit is designed with an integral QD socket at its rear that assists with the push-pull operation when a sling is attached. With this version you can mount the SI Pistol Stabilizer and other popular aftermarket braces. Pick up the Strike Industries AR Pistol PDW Buffer Tube for a reliable part that will help your weapon properly cycle. Specifications for Strike Industries AR-15 Pistol Buffer Tube Kit: Manufacturer: Strike Industries Fabric/Material: 7075-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Length: 5.28 in Condition: New Diameter: 1.247 in Features of Strike Industries AR-15 Pistol Buffer Tube Kit Compact 5inch Pistol Buffer Tube Fits onto any standard milspec AR15 receiver. Supported buffer retainer Compatible with Strike Industries' Pistol Stabilizer Package Contents: Strike Industries AR-15 Pistol Buffer Tube Kit 1x Pistol Buffer Tube 1x PDW buffer weight 1x Flat wire buffer spring What firearm models does the manufacturer say Strike Industries AR-15 Pistol Buffer Tube Kit is compatible with? The manufacturer suggests that Strike Industries AR-15 Pistol Buffer Tube Kit is compatible with AR-15Strike Industries SI-AR-SPRE-SLICK-BK: Pistol Buffer Tube/Short Receiver Extension Kit AR-15 5.28 in Black One Size