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Why customers choose this item
✓M16 M4 bolt carrier group
✓Nickel boron coated finish
✓Includes hammer assembly
✓Fully assembled BCG
✓Corrosion resistant finish
✓Dry lubricity coating
Product highlights
Bolt carrier group with hammer for M16 M4 and AR-15 rifles
EXO nickel boron coating enhances durability and corrosion resistance
Includes complete bolt carrier and hammer assembly for semi auto use
Fully assembled unit ready for drop in installation
Provides dry lubricity reducing friction during cycling operation
Compatible with most mil spec M16 M4 and AR-15 upper receivers
Product description
The FailZero Bolt Carrier Group With Hammer EXO Coated Fits M16 M4 is a bolt carrier group designed for cycling and chambering ammunition in M16, M4, and AR-15 rifles.
This FailZero bolt carrier group is completely assembled and includes a hammer as part of the configuration. It is designed for use in most mil-spec M16, M4, and AR15 upper receivers and is categorized as a basic kit. The unit features EXO Nickel Boron coating on critical components, providing a defined finish and material surface. This product is used for rifle operation where a combined bolt carrier and hammer assembly is required. In normal operation, the FailZero bolt carrier group includes internal components pre-installed for direct installation. The Nickel Boron coated surfaces provide corrosion resistance and consistent material characteristics during repeated cycling.
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