Phase 5 WSI will not honor returns on any buffer tubes due to policy, rule, regulation, or law changes.
AR-15 Pistol Buffer Tube (PBT)™ by Phase 5 Weapon Systems Inc 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.
Outside diameter: 1.25”
Pistol Buffer Tube (PBT)
Phase 5 Enhanced Buffer Spring
Pat No.: US D717, 906 S
Tube is designed to fit Mil-Spec carbine buffer and spring.
Classic Military anodized finish adds durability and visual appeal that ensures reliability against component wear.