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Ergo AR-15 Castle Nut, Steel with Black Finish for Commercial/Military/Hybrid Buffer Tubes (4971B).
- Steel AR-15 castle nut for securing the receiver extension/buffer tube on AR-platform rifles
- Black-coated finish for corrosion resistance and a clean, low-glare look
- Compatible with commercial, military, and hybrid buffer tubes
- Standard MIL-SPEC CAR-style castle nut design
- Fits AR-15 and all AR variants
Specifications
- Manufacturer:
- Ergo
- Category:
- misc-parts
- UPC:
- 8229012603002
- MPN:
- 4971B
- Required Component:
- No
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$18.98
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