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Shaner · November 28th, 2012, 11:01

Hi guys, here's the situation

I have a friend with a G&P Magpul MOE CQB edition, bought from Revolution. The description of the gun says it comes with a G&P M120 motor.

The gun tore itself to pieces in a matter of days. Mech box shell is fine and gears survived but the piston exploded. When he disassembled the rifle, he discovered a G&P M170 motor, not the 120. He replaced the Piston with an SHS Metal Rack piston with second tooth removed. The gun began firing at a whopping 460 FPS. He put in a Classic Army 120 spring and is still firing over 420 FPS. He is afraid that the M170 motor is going to destroy his new piston.

So, if he were to replace the motor with say a 120 motor, would that solve some problems...or would it create more?? Can you put other brand motors in a G&P M4?? Any suggestions guys??

Thanks

November 28th, 2012, 11:01	#1
Shaner Trader rating Join Date: Mar 2012 Location: Picton, Ontario	Need some help...with springs & motors Hi guys, here's the situation I have a friend with a G&P Magpul MOE CQB edition, bought from Revolution. The description of the gun says it comes with a G&P M120 motor. The gun tore itself to pieces in a matter of days. Mech box shell is fine and gears survived but the piston exploded. When he disassembled the rifle, he discovered a G&P M170 motor, not the 120. He replaced the Piston with an SHS Metal Rack piston with second tooth removed. The gun began firing at a whopping 460 FPS. He put in a Classic Army 120 spring and is still firing over 420 FPS. He is afraid that the M170 motor is going to destroy his new piston. So, if he were to replace the motor with say a 120 motor, would that solve some problems...or would it create more?? Can you put other brand motors in a G&P M4?? Any suggestions guys?? Thanks