Details: This spring is specifically designed for the SOPMOD M4 series from Tokyo Marui. Its purpose is to increase the return time of the HEAVY recoil weight on the version 2 recoil system used in the M4 SOPMOD series. When you increase ROF on the SOPMOD the gears go faster but the recoil weights return time is the same. Fitting this recoil spring increases the recoil units return rate, thus reducing the chance that the gears and piston will prematurely pick up the recoil weight.
These springs are Heat treated 3 times and use high quality steel and are Made in England.
These Springs are tested every 10 springs and measured for consistency during a batch manufacturing process. These are also deliberately made as a linear spring for a more consistent fps reading shot to shot.
Will fit:
TM M4 Sopmod NGRS
TM M4 Socom NGRS
TM 416 Delta NGRS
TM 416 Devgru NGRS
TM 416D NGRS
Confirmed Will NOT fit:
TM 417 NGRS
TM 416C NGRS
TM MK46 NGRS
These springs are Heat treated 3 times and use high quality steel and are Made in England.
These Springs are tested every 10 springs and measured for consistency during a batch manufacturing process. These are also deliberately made as a linear spring for a more consistent fps reading shot to shot.
Will fit:
TM M4 Sopmod NGRS
TM M4 Socom NGRS
TM 416 Delta NGRS
TM 416 Devgru NGRS
TM 416D NGRS
Confirmed Will NOT fit:
TM 417 NGRS
TM 416C NGRS
TM MK46 NGRS
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