2A Armament Builder Series Complete Buffer Tube Assembly (Options)


Out of stock

The Builder Series Buffer Tube Assembly will offer a vast number of 2A Armament components that have been made with the AR builder in mind. The Builder series offers extremely first rate products at a competitive price. Assembly includes a mil spec castle nut and a 2A latch plate.

SKU: RS-2A-BSBT-COMP Categories: , , , Tag:


The Builder Series AR-15 or 308AR/AR-10 buffer tubes are in-house manufactured at 2A Armament and finished with hard anodize for lasting performance. They offer less machined features in order to offer an extremely competitive price.

2A Armament stands out as a firearms manufacturer by remaining committed to exceptional craftsmanship and quality with the products they produce.

Features include:

  • 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
  • Carbine length
  • Vented
  • Self aligns with the buffer detent.
  • Weight Buffer Tube Only- 3.6 oz
  • Weight Assembly-4.3 Oz


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