These 5.56/300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel.
“Magpul MAG556BLK PMAG GEN M3 30rd Detachable w/Capacity Window 223 Rem/5.56x45mm NATO Fits AR-15/M16/M4 Black Polymer” has been added to your cart. View cart
| Weight | 0.785 lbs |
|---|---|
| Dimensions | 7.9 × 1.3 × 1.2 in |
| Finish | |
| Material | Stainless Steel |
| Manufacturer | ROSCO MANUFACTURING |
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