Complete Bolt Carrier Assembly for the YHM-15 MODEL 57 or any other Mil-Spec AR-15.
- Length: 7.152"
- Weight: 11.232 oz.
- Finish: Phosphate Coating
- 8620 Tool Steel Carrier
- Chrome-Lined Carrier
- Carpenter 158 Steel Bolt
- Staked Gas Key
- M16 profile
- Made in USA
@25a