These 5.56 / 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 Cartridge: 5.56x45mm NATO, .300 AAC Blackout Gun Make: AR Platform Gun Model: AR-15 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
CCCitizen –
Great value, great reliability and solidly made bcg. Has great build good staking and nice finish. The roscoe logo is a nice touch as well. The bolt fits well with the 223 wylde roscoe barrel i have as well.
Daniel –
I have 3 of these now to match their 14.5" Bloodline barrel. I recently bought the Hotsauce pack that has BCG, 12.5" barrel, gas block and gas tube. Like everything I've gotten from Roscoe so far it exceeds their price point by far. Their packaging alone looks more expensive than premium parts from other manufacturers. Their coating is also great, deep and dark Nitride finish that looks great.