7.62×39 Spike’s Bolt Assembly- Nickel Boron
A high quality bolt is a must in any AR-15. Whether you need a spare bolt or are looking to upgrade an existing rifle, look no further.
Finish: Nickel Boron
Features: Type 1 Bolt Face .125" Depth
Compatibility: 50 Beowulf, 6.5 Grendel, and 7.62x39