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Matrix / AIM Lipoly Ready 8mm Complete Gearbox for M4 / M16 series Airsoft AEG ( M120 / Back Wiring)
[GB-Monster-120B]
$110.00
by Rex M. Date Added: Tuesday 09 December, 2008
I got this mech box and installed it in a CA M15 it ROCKS! It is shooting around 460FPS! SNIPER RIFLE
Probably need to install a different spring to use as primary weapon.
or shoot it enough to weaken spring and hope it last that long? will see

Rating: 5 of 5 Stars! [5 of 5 Stars!]
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