Rosco Manufacturing Bolt Carrier Group .300 AAC Blackout/5.56x45mm, Black

Rosco Manufacturing Bloodline Bolt Carrier Group BCG 5.56/.300 BLK Melonited Black. 56 / 300 BLK Bolt Carrier Group BCG are Melonited Full-Auto rated are properly staked and the bolts are Matched to the barrel. Check your local laws and regulations on ownership guidelines. Our Rosco Melonited Bolt Carrier Group BCG are designed to meet the modern-day carbine shooters requirements. We have also balanced input from our consumers and military end users in order to bring you the product you need not just the one we want to sell you. All Rosco BCG are to MIL Specification and have a properly staked gas key along with a Melonite coating for extended performance. They also feature a Shot Peened/ MP tested Matched bolt (with upgraded extractor) which is designed to lock up perfectly with our extensions for extreme accuracy. These BCG are made to withstand Full-Auto rated fire and unforgiving use from the end user. Specifications for Rosco Manufacturing 5.56/.300 BLK Bolt Carrier Group (BCG): Manufacturer: Rosco Manufacturing Color: Black Finish: Melonite Caliber: 5.56x45mm NATO .300 AAC Blackout Gun Make: AR Platform Gun Model: AR-15 Hand: Right Weight: 0.78 lb Bolt Material: 9310 Steel Carrier Material: 8620 Steel Features of Rosco Manufacturing 5.56/.300 BLK Bolt Carrier Group BCG Weight: 0.7875 lbs Dimensions: 1.25 x 1.25 x 8 in 9310 Construction HP/MPI tested Shot peened Melonited Matched to barrels Package Contents: Rosco Manufacturing 5.56/.300 BLK Bolt Carrier Group This product is compatible with the following gun models: AR-15 Rosco Manufacturing Ros-BCG-001: Bolt Carrier Group Bloodline Series 5.56/.300 BLK Melonited Black