ERGO brings this receiver extension castle nut for M4 style receiver extension tubes.
$6.00
100 in stock
ERGO brings this receiver extension castle nut for M4 style receiver extension tubes.
| Weight | 0.0625 lbs |
|---|---|
| Dimensions | 4 × 3 × 1 in |
| manufacturer | Ergo Grip |
| model | Castle Nut |
| color | Black |
| upc | 810049123000 |
| brand | Ergo Grip |
| part_number | 4971-B |
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