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 AR-10 Buffer Tube 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.

Features include:

· 5 position adjustment. 1 Fully Collapsed. 4 other positions.

· Mil Spec extension diameter of 1.148, and thread diameter of 1.185

· Carbine length

· Vented

· Self aligns with the buffer detent.

· Weight Buffer Tube Only- 3.6 oz

· Weight Assembly-4.3 Oz