FailZero

The FailZero FZ AR15 Bolt Carrier Group is engineered to meet the rigorous standards of AR15 platforms. Designed for compatibility with most mil-spec AR15 upper receivers, this bolt carrier group...

The FailZero FZ BASIC SEMI KIT BOLT & HAMMER is designed for reliability and enhanced performance in AR-15 style rifles. This kit features a fully assembled bolt and hammer set, engineered to meet...

The FailZero FZ EXO Firing Pin is engineered for enhanced reliability and longevity, featuring a distinctive Nickel Boron coating. This specialized finish offers a consistently lubricious surface,...

The FailZero FZ Lightweight Bolt Carrier Group is engineered to offer enhanced performance and reliability for AR-15 platforms. Designed with a low mass profile, this bolt carrier group reduces...

The FailZero FZ M16 Bolt Carrier Group is engineered for reliable performance and enhanced durability in AR-style rifles. Designed to fit most mil-spec M16, M4, and AR-15 upper receivers, this bolt...

The FailZero FZ M16/M4 BCG No Hammer Black is a high-quality bolt carrier group designed for compatibility with most mil-spec M16, M4, and AR-15 upper receivers. This BCG is engineered without a...

The FailZero FZ M16/M4 Bolt Carrier Group (BCG) is engineered for users seeking a reliable and durable upgrade for their M16 or M4 platform. This BCG features a no-hammer design, which reduces the...

The FailZero FZ M16/M4 BCG NO HAMMER MATTE is a high-quality Bolt Carrier Group designed to fit most mil-spec M16, M4, and AR-15 upper receivers. Engineered for reliability and enhanced performance,...

The FailZero FZ M16/M4 Bolt Carrier Group is engineered to meet the demanding standards of modern AR platforms. Designed to fit most M16, M4, and AR15 upper receivers built to military...