Phase 5 Weapon Systems Pistol Buffer Tube Complete Assembly for AR-15 Pistol – Black (PBT-CA)

• AR-15 pistol buffer tube complete assembly for pistol-style builds and configurations
• Includes enhanced buffer spring, billet aluminum pistol buffer tube, and foam pad
• Includes Mil-Spec end plate, Mil-Spec castle nut, and Mil-Spec carbine buffer
• Lower slot machined to accept Mil-Spec end plates and sling mounting accessories
• Designed to work with Sig Sauer pistol stabilizing brace per product description
• Black finish buffer tube assembly designed for AR-15 pistol receiver extensions

The Phase 5 Weapon Systems AR15 Pistol Buffer Tube Complete Assembly is a buffer tube assembly designed for AR-15 pistol buffer system installation. This buffer tube assembly provides a complete set of components for AR-15 pistol configurations using a carbine-style buffer system.

The Phase 5 Weapon Systems AR15 Pistol Buffer Tube Complete Assembly includes a billet aluminum pistol buffer tube with a black finish, a Mil-Spec end plate, and a Mil-Spec castle nut. It also contains an enhanced buffer spring, a Mil-Spec carbine buffer, and an NPVC-constructed foam pad for the tube exterior. The lower slot is machined to accept standard Mil-Spec end plates and compatible sling mounting accessories. This buffer tube assembly fits AR-15 pistol platforms and supports standard installation requirements for buffer retention and recoil system function. In typical setups, this assembly is used for AR-15 pistol builds requiring a complete rear receiver extension solution.