- Modified Bolt Carrier Group with Black Nitride Finish
- Buffer Spring and Recoil Spring
- Buffer Tube with Guide Rod and Endcap
- Folding Block Assembly
- Right Side Folding Adaptor Gen2
The Dead Foot Arms Rifle Caliber Modified Cycle System includes everything for fire while folded compatibility on your AR-Platform Rifle: Complete Folding Adaptor Assembly, MCS Complete M-16 Style Bolt Carrier Group with Black Nitride finish, plunger, recoil and buffer spring.
*NOTE: BCG Modification Program Purchases do not include the MCS Bolt Carrier Group.