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MrExel17
05-04-2011, 5:01 PM
So I'm looking to build another AR15, it never crossed my mind that there are other options in bolt carrier groups but don't know the differences. I know I want something silver looking aside from the normal steel/black. What I saw was an aluminum & chrome. Any info would be greatly appreciated!

rareair
05-04-2011, 5:32 PM
Chromed BCGs are for lubricity factor. Theory is Less Friction = Less Heat If you like the Silver-look, you'll love the Gold TiN coating :cool2:
http://media.midwayusa.com/productimages/large/446/446331.jpg