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Details
Receiver Extension Nut
M4 / AR Castle Nut, Receiver Extension (Buffer Tube) castle nut. Matte black finish.
Description:
- M4 / AR Castle Nut, Receiver Extension (Buffer Tube) castle nut. Matte black finish.
M4 / AR Castle Nut, Receiver Extension (Buffer Tube) castle nut. Matte black finish.