The Fostech Complete Bolt Carrier Group Black is a bolt carrier group / bolt.
This is a standard full-auto M16 cut bolt carrier group. It is designed to function with the Echo AR-II and the Echo Sport.
Features
- Bolt Assembly
- Bolt: Shot Peened; Magnetic Particle Inspected and Marked
- Bolt Material: 9310 Alloy Steel
- Compatibility: .223 / 556 / 300BLK
- Extractor: Shot Peened Hardened Tool Steel
- Extractor O-Ring: Viton Mil-Spec
- Gas Rings (3): Mil-Spec
Specifications
- Brand: Fostech
- UPC: 639266299677
