RTB COMPLETE LIGHTWEIGHT BOLT CARRIER GROUP - BLACK NITRIDE
Click here for the carrier
Click here for the reduced power buffer spring
Click here for the adjustable gas blocks
- Caliber: .223 / 5.56 / 300 Blackout
- Enhanced 9310 Steel (Bolt)
- 8620 Tool Steel (Carrier)
- Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
- Tool Steel Extractor
- Shrouded Firing Pin
- Mil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly staked
- Bolt is shot Peened and MPI
- Weight: 8.9 Ounces / 252.5 Grams!
- Black Nitride Finish
- Lifetime Warranty (you break it, we replace it)