Bravo Company BCM AR-15, LR-308 Pistol Buffer Tube Aluminum Matte

The Bravo Company Receiver Extension Buffer Tube if for your AR15, M16, M4 Pistol Lower Receiver. Pistol receiver extension (buffer tube) machined from 7075T6. Hard Coat Anodized per Mil-A-8625F, Type III, Class 2. 1.2 outside diameter. Will fit your ATF compliant SigTac SB15 type pistol stabilizing brace. Works with carbine buffer and action springs.