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BKF

Mil-Spec AR-15 Castle Nut

Mil-Spec AR-15 Castle Nut

$2.99 USD
$3.95 USD $2.99 USD
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B. King's Firearms

BKF Standard AR-15 Mil-Spec carbine buffer tube/receiver extension castle nut

Features:

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