Failzero AR-15 Bolt Carrier Groups
Failzero AR-15 BCGs feature an ultra-slick Nickel Boron (NiB) finish, which is easy to clean and resists carbon buildup.
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FailZero Bolt Carrier Group – M4/M16 – EXO – 009-FZM16/4-01-NH
When you need a ready to install a Bolt and Carrier System, the M16/M4 BCG Kit might be for you. All critical parts are treated with EXO Technology, a revolutionary... -
FailZero Nickel Boron Bolt Carrier Group – AR-15 Semi Auto Cut
AR-15 Cut Bolt Carrier Group All critical parts are treated with EXO Technology, a revolutionary surface technology that provides permanent dry lubricity, radically improves the performance of your AR-15 and...
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