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AR-15 Phase 5 Pistol Buffer Tube Complete Assembly (PBT-CA)™ by Phase 5 Weapon Systems Inc partners our enhanced buffer spring, billet aluminum Pistol buffer tube, Mil-Spec end plate, Mil-Spec castle nut, Mil-spec carbine buffer and our ultra-durable NPVC-constructed buffer tube foam pad. The lower slot is machined to accept all Mil-Spec end plates and sling mounting accessories.
Overall diameter: 1.25”
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.
Slot offers maximum compatibility by accepting all Mil-Spec end plates and sling mounting accessories.