Products List
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FZ M16/M4 Bolt Carrier Group Without Hammer Black Nitride
Fail Zero$119.99High quality components and precise manufacturing make FailZero parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure... -
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FZ Lightweight Bolt Carrier Group Overview
Fail ZeroSALE: $233.99BEFORE: $234.99MSRP: $234.99This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent... -
FZ 7.62X39 Bolt Carrier Group without Hammer - Nickel Boron Finish
Fail Zero$189.99This 7.62x39 Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil-spec upper receivers chambered in 7.62x39. All critical parts are coated with EXO Nickel Boron technology... -
FZ AR15 Bolt Carrier Group without Hammer - Black
Fail Zero$174.99MSRP: $179.99This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent... -
FZ 6MM ARC BCG Without Hammer NIB
Fail Zero$189.99This 6MM ARC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6MM ARC. All critical parts are coated with EXO Nickel Boron Technology... -
FZ 9MM BCG Nickel Boron Without Hammer
Fail Zero$199.99This 9mm AR Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero 9mm BCG is compatible with both lowers designated for Glock or... -
FZ M16/M4 Bolt Carrier Group Without Hammer Matte Finish
Fail Zero$174.99MSRP: $179.99This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides... -
FZ EXO Firing Pin Overview
Fail Zero$12.50This EXO Nickel Boron coated firing pin provides a permanently lubricious surface for extreme durability and increased wear and corrosion resistance.Features :Nickel Boron treatedExtreme... -
FZ AR15 Bolt Carrier Group Without Hammer Matte Finish
Fail Zero$174.99MSRP: $179.99This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent... -
EXO Bolt Assembly for FZ Series
Fail Zero$85.00This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR15, M16, M4 Carriers. EXO Nickel Boron provides permanent dry lubricity; increased wear and corrosion... -
FZ AR10 Bolt Carrier Group No Hammer Nickel Boron
Fail Zero$259.99This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent... -
FZ 458 SOCOM Bolt Carrier Group Without Hammer NiB Finish
Fail Zero$185.99MSRP: $189.99This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec .458 SOCOM Upper Receivers. All critical parts are coated with EXO Nickel Boron technology that provides...