Fail Zero full-mass bolt carrier group finished in Black Nitride for 5.56 & .223 AR rifle builds. This AR bcg comes fully assembled and ready to drop in your home AR build or to upgrade an older bcg from one of your other rifles. All critical parts are Black salt bath nitride finished to give you more durability and provide increased corrosion and wear resistance. BCG's are a good gun part to have an extra one on hand, especially if you have multiple rifles, this one provides great reliability at a great price.
Part Number: FZFBCG-BLK
Out of Stock.