Modify 100 Spring

Model: MOD M100 Manufactured by: MODIFY Parts

• This upgrade will give u a more reliable spring with better consitancy over the crono, and also upgrades your fps.

• m100=310-340 fps

• m110=330-380 fps

• m120=380-405 fps

• m130=405-420 fps

• m140=420-450 fps

• m150=450-500 fps