Phase 5 Weapon Systems AR-15 Pistol Buffer Tube Assembly Black - PBT-CA

Phase 5 WSI Pistol Buffer Tube Complete Assembly

The AR-15 Pistol Buffer Tube (PBT)™ with billet aluminum buffer tube; type III hard anodized Mil-Spec black finish; 1.25” outside diameter; carbine buffer; enhanced buffer spring; foam pad; Mil-Spec end plate; and Mil-Spec castle nut.

Offered by Phase 5 Weapon Systems Inc., this Pistol Buffer Tube Assembly features a billet aluminum buffer tube that is compatible with Mil-Spec carbine buffer and spring, and its lower slot is machined to accept all Mil-Spec end plates and sling mounting accessories.

Also included is an enhanced buffer spring, a foam pad of ultra-durable nitrile rubber construction, a Mil-Spec end plate and castle nut, as well as a standard 3 oz. carbine buffer.

The Phase 5 PBT-CA is compatible with the Sig Sauer Pistol Stabilizing Brace and provides a snug fit to prevent unwanted brace movement during pistol operation.