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AR15 Receiver Extension Castle Nut – Nitride
AR15 Receiver Extension Castle Nut – Nitride
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AR15 Receiver Extension Castle Nut – Nitride

Hickory Flat Boars
$5.00 USD
$5.00 USD
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Shipping calculated at checkout.

This is our standard AR-15 Mil-Spec carbine buffer tube/receiver extension castle nut coated by H&M nitride

Features:

  • 4140 Tool Steel construction
  • Nitride finish
  • Fits: AR-15 or LR308 Buffer Tubes