AR-15 Buffer Castle Nut

AR-15 Buffer Castle Nut

This is our standard AR-15 carbine buffer tube/receiver extension castle nut in matte black. It fits both Mil-Spec and commercial tubes.

Features:

  • 4140 Tool Steel construction
  • Fits: AR-15

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Most orders usually ship within 48 bussiness hours. Cerakote products may take 5 business days to process.

  • Product Code: N
  • Availability: In Stock