The Builder Series offers a vast number of 2A Armament components that have been made with the AR builder in mind. The Builder Series offers high quality products at a competitive price .
The Builder Series AR10 Buffer Tube Assembly is manufactured in-house and finished with hard anodize for lasting performance. It is billet machined from 6061-T651 aluminum for tighter concentricity than a forging or impact extrusion to reduce potential for bolt carrier binding. The assembly includes a 2A Latch Plate as well as a 2A Castle Nut.