Dead Foot Arms 9MM Modified Cycle System includes everything you need: Complete Folding Adaptor Assembly, Modified Bolt Carrier Group (which includes plunger and guide rod), and recoil and buffer spring. ADDITIONAL INFORMATION ABOUT OUR PRODUCTS: DEAD FOOT ARMS MCS WITH FOLDING ADAPTOR- The Complete Modified Cycle ships to you in our custom clamshell packaging and includes the following components, all of which are proprietary to our system:
1. Our Modified Bolt Carrier Group (complete group).
2. Buffer spring and 2 Recoil Springs (1 ea). Two recoil springs of different pressure varients are provided to get your build fine tuned.
3. Plunger (1 ea)
4. Buffer Tube w/ Guide Rod and Endcap (1 ea).
5. Folding Block Assembly (1 ea). YOU CAN USE ANY COMMERCIAL OR MILSPEC BUTTSTOCK OR PISTOL BRACE WITH OUR SYSTEM- and thus we provide this as an optional separate purchase, as many AR owners enjoy the stock they currently use.