The .224 Valkyrie / 6.8 SPC II Bolt Carrier Group is completely assembled and ready for use in any AR15 or M16 rifle. Made specifically to work with rifles chambered in the all-new .224 Valkyrie and 6.8 SPC II calibers. The Bolt Carrier is made using Mil-Spec 8620 Steel for its toughness and strength. The Bolt is made of Mil-Spec Shot Peened Carpenter 158 which offers the best case hardening known for parts subject to heavy shock and wear.
Coating: Manganese Phosphate, Chrome Lined Inside Bolt Area and Gas Key
Bolt Carrier Material: 8620 Steel
Bolt: .224 Valkyrie/6.8 SPC II Right-Handed Bolt Assembly
Included Parts: Bolt carrier, Bolt Assembly, Cam Pin, Firing Pin, and Firing Pin Retaining Pin
Design: M16 Carrier with a Shrouded Firing Pin
Staking: Proper Mil-Spec Staking of the Gas Key
Q: Will this bolt carrier work with other company's rifles and upper halves?
A: This bolt carrier assembly will work with other companies .224 Valkyrie and 6.8 SPC II rifles and upper halves.
Q: Can I use this bolt carrier with the Stag Arms piston system?
A: This bolt carrier assembly will not work with piston systems.