The Phase 5™ Tactical™ AR-15 Pistol Buffer Tube (PBT) features our billet aluminum buffer tube, foam pad constructed of ultra-durable nitrile rubber, plus Mil-Spec end plate and castle nut. Buffer tube is compatible with Mil-Spec carbine buffer and spring, and the lower slot is machined to accept all Mil-Spec end plates and sling mounting accessories. This machined aluminum buffer tube assembly gives your AR-style pistol a neat, finished look. The Nitrile foam rest padding resists chemicals, abrasions and temperatures from -20° F to 220° F. Includes mil-spec endplate and castle nut; accepts a mil-spec carbine buffer and spring. All NFA rules apply.
Overall diameter: 1.25”
Works great with the Sig Sauer® Pistol Stabilizing Brace! Nice snug fit to insure no unwanted brace movement during pistol operation.