This is a standard full-auto M16 cut bolt carrier. It is designed to function with the Echo AR-II and the Echo Sport.
- 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
- Gas Key Material: 4130 Steel
- Finish: BLACK NITRIDE
- Weight: 11.6 Ounces
100% USA Made
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