Strike Industries' Pistol Buffer Tube introduces added functionality to an often overlooked part of an AR pistol PDW. The pistol buffer tube comes complete with SI's proven tungsten filled buffer and flat-wire buffer spring to aid in reliable cycling over a long service life. The receiver extension features an anti-rotation tab that locks into place over the buffer retaining plunger. It is machined from 7075-T6 aluminum for greater strength, while the integral QD socket at the rear of the tube facilitates push-pull operation when used in conjunction with slings. This Slick Version features a smooth profile and has a red finish.The Strike Industries pistol buffer tube introduces added functionality to an often overlooked part of an AR pistol PDW. At an overall length of just over 5 inches, the pistol buffer tube reduces the pistol's overall length. The pistol buffer tube comes complete with our proven tungsten filled buffer and flat-wire buffer spring to aid in reliable cycling over a long service life. The receiver extension features an anti-rotation tab that locks into place over the buffer retaining plunger. The Tube is machined from 7075-T6 aluminum for greater strength than standard 6061 tubes. An integral QD socket at the rear of the tube facilitates push-pull operation when used in conjunction with slings. The Slick Version features a smooth profile to mount our upcoming Strike Industries' Viper Pistol Stabilizer as well as other popular aftermarket braces. Feature: Compact 5 inches pistol buffer tube Fits onto any standard Mil-Spec AR15 receiver Supported buffer retainer Compatible with strike Industries pistol stabilizer Buffer weight - 1.8 oz Buffer spring profile - PDW length flat-wire spring