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Black Rain AR-15 Complete Bolt Carrier Group Nickel Boron Plated Engraved Biohazard Symbol BRO-BCG
Our Low Price: $191.88

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Brand: Black Rain BRO-BCG
Item: 2-BRO-BCG
UPC: 736211609793

This drop in Black Rain AR-15 BCG will increase reliability and ease of cleaning with nickel boron plating.

Nickel boron parts are known for high hardness, good adhesion, excellent lubricity, low coefficient of friction and uniform coverage.

Customer Reviews

Most Helpful Customer Reviews

0 of 0 people found the following review helpful
4.0 Rating almost perfect - 9/20/2012
Reviewer: MIke
I just received this bolt and wanted to leave a quick review. Pros: the finish is slick and very clean. Much more slippery than chrome or phosphate. and nothing sticks to it. Seems very well made but.... Cons: the guide rail on the lower side of the bolt looks like it was hit by something before or during plating. The resulting dents and nicks are bad enough that anything running over them would snag, almost like a saw tooth on a hacksaw. Since I was worried this might cut into my upper as it slides back and forth, I took a file and filed them smooth and then Emory cloth to bring it to a mirror finish. I do not think you should have to do this to a brand new bolt. But with that stated, nether the file nor the Emory cloth removed the cut through the coating. And I am very impressed with the coating. It was like trying to file a piece of oiled glass. So first impressions: tough coating, very slick, well machined, but bad handling practices. This may just be a fluke but I would expect a company like Black Rain to have better quality control.
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0 of 0 people found the following review helpful
4.0 Rating Nice NIBx BCG - 7/10/2014
Reviewer: Brandon Spencer
BCG has a nice finish to it, have only put 300 rounds through it so far, but it has held up. Wipes down easy, and IMO just looks good. Only reason its 4/5 is cause the gas keys were not staked, 200 for a BCG least you can stake gas keys. No biggie can do it yourself. I would buy a 2nd for another build.
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Black Rain AR-15 Complete Bolt Carrier Group Nickel Boron Plated Engraved Biohazard Symbol BRO-BCG
Black Rain AR-15 Complete Bolt Carrier Group Nickel Boron Plated Engraved Biohazard Symbol BRO-BCG
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