ERGO brings this receiver extension castle nut for M4 style receiver extension tubes.
ERGO CASTLE NUT FOR AR15 BLK
ERGO CASTLE NUT FOR AR15 BLK
$6.99
94 in stock
| UPC | 810049123000 |
|---|---|
| Manufacturer | Ergo |
| Manufacturer Part Number | 4971B |
| Length | 4 |
| Model | Castle Nut |
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