Tag: improved recoil

  • M4 GBBR enhanced recoil modification.

    M4 GBBR enhanced recoil modification. To carry out the┬áM4 GBBR enhanced recoil modification you will need to get the following items together: Tools needed: Wire cutters Parts needed: Old TM AEG spring. Process: Cut 11 coils off a Tm standard spring and then open you M4 up. Remove the buffer from the buffer tube Put […]