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AR Buffer Castle Nut

  • Brand: TAC America
  • Product Code: ARCN01
  • Availability: In Stock

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
  • Black anodized finish
  • Fits: AR-15 /AR-10