AR15 / M16 / AR10 Castle Nut – Steel
- Fits all standard carbine buffer tubes
- Notched for staking
- Phosphate coated
- Weight: .6 oz
- Manufactured to mil-spec dimensions
- 100% USA Made
Steel Castle Nut USA - Black
SKU: N
$4.95Price
AR15 / M16 / AR10 Castle Nut – Steel