The FailZero AR-15 Bolt Carrier Group with EXO coating delivers reliable cycling without the mess of traditional lubricants.
- Part Type: Bolt Carrier Group (No Hammer)
- Compatible Firearms: AR-15, M16, M4 (5.56 NATO/.223 Rem)
- Material: 8620 Steel Carrier, 9310 Tool Steel Bolt
- Finish: FailZero EXO Nickel-Boron Coating, Matte
- Installation: Drop-In (MIL-SPEC)
- Includes: Bolt Carrier, Bolt Assembly, Cam Pin, Firing Pin, Retaining Pin
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