Shop the Rosco Bolt Carrier Group 5.56/300 Black Phosphate Stainless Steel at Nautilus Arms.
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.
Specifications
| Brand | Rosco |
|---|---|
| Finish | Black Phosphate |
| Material | Stainless Steel |
| MPN | ROS-BCG-002 |
| UPC | 181969500838 |