FosTecH Complete Bolt Carrier Group (Nickel Boron)
$175.99
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.
- Description
- Additional information
- Discussion (0)
Description
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.
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 0-Ring: Viton, Mil-Spec
- Gas Rings (3): Mil-Spec
- Finish: NICKEL BORON
Bolt Carrier
- Material: 8620 Steel
- Design: Heavy Profile M16 Style
- (Preferred for most AR-15 Builds)
- Gas Key Screws: Grade 8; Properly Torqued and Staked to Mil-Spec
- Finish: NICKEL BORON
Cam Pin:
- Material: 4140 Steel
- Finish: NICKEL BORON
Firing Pin
- Material: 8740 Steel; Centerless ground; Hard Chrome Plated
- Weight: 11.6 Ounces
- 100% USA Made
Additional information
| Caliber | 300 BLK, 5.56, 6.5 Grendal |
|---|
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