Primary Weapons Castle Nut Enhanced Pistol Buffer Tube

The Primary Weapons Castle Nut Enhanced Pistol Buffer Tube is a premium upgrade for your firearm, engineered with precision and durability in mind. Constructed from impact-extruded 7075 aluminum, this buffer tube offers exceptional strength while maintaining a lightweight profile at just 4.3 oz. Its unique fluted design not only reduces weight by approximately 1 oz but also helps clear debris for reliable performance. Featuring an extended carrier support lip, it ensures smoother cycling for enhanced functionality. The tube is mil-spec diameter, coated with mil-a-8625 f, type III, class 2 anodized finish for superior wear resistance. This package includes the PWS ratchet lock castle nut and end plate set, completing a robust and efficient system for your pistol build.