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80% Arms sells AR-15 and .308 80% Lower Receivers, 80% Lower Jigs and other accessories which allow you to legally build a firearm at home in most states.
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We utilize state of the art 5-axis CNC machines to mill all our .308 and AR-15 80 percent lower receivers to incredibly precise tolerances using premium billet aluminum.
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We also offer our patented AR-15 and .308 Easy Jigs® which is the first 80% lower jig that makes it ridiculously easy for a non-machinist to finish their 80% lower in under 1 hour with no drill press required.
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Products manufactured by 80% Arms carry a lifetime warranty against manufacturing defects. We will promptly replace or repair any product that we determine to be defective.

SMITH DEFENSE - Complete Buffer Tube Kit - 308 / AR-10

$77.95
SKU:
BTK-308
UPC:
857760007085
Shipping:
Calculated at Checkout
Norton Shopping Guarantee

This Smith Defense AR-10 .308 buffer tube kit contains all the necessary parts to mount your Mil-Spec dimension stock assembly to your .308 lower receiver.

  • Receiver Extension (Buffer Tube) - Mil-Spec, 6 position (machined from 7075T6)
  • Receiver End Plate
  • Lock Nut (Castle) M4
  • .308 Action Spring, Carbine
  • .308 Buffer Assembly, Carbine Std
  • Made in USA

This Smith defense buffer tube is compatible with any stock designed to accept a mil-spec buffer tube.

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