The Anderson Pistol Buffer Tube is compatible with the AR15 platform. It can be used with a carbine length spring and buffer, and works with standard end plates and castle nuts. You can use this item for your next AR15 pistol build, or as a pistol brace tube for other platforms like the Grand Power Stribog, or Kriss Vector Pistol. This is an AR15 Pistol Extension, made From 7075 Aluminum, that will work with all Mil-Spec AR15 lower receivers.

Specifications
Compatible with AR-15 Platform
Anodized Black
Treatment : NON Treated
Caliber: Multi Cal
Dimensions:7 x 1.25 x 1.25in
Weight: 3.2oz