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.
5 position adjustment. 1
Fully Collapsed. 4 other positions.
Mil Spec extension
diameter of 1.148, and thread diameter of 1.185
Self aligns with the
Weight Buffer Tube Only-
Weight Assembly-4.3 Oz
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