G&P Complete "Special Ops" M4 Metal Receiver & Gearbox Airsoft AEG ProKit (G&P USA) Rear Wire / Black


Model: PROK-MB009B-B
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5 Customer Reviews

by John D. on 02/25/2015
"Decent gearbox and upper/lower receiver. Out of the box was shooting 430 FPS with .20's. Way too hot for anywhere I play. I swapped out the spring with a m110 and FPS with .20's dropped to the 375 FPS, still too hot for indoor, but in line for outdoor. Only issue was that I had to resolver the positive motor lead because it fell off.

Shimming and wiring are very well done. Sounds great and shoots great.
by Travis R. on 02/16/2015
"Okay let me start off by saying if you are buying this for externals, go right ahead. HOWEVER if you are buying for the internals as well, forget it. This guns gearbox is horrible as well as the motor. After getting my receiver I shot it once and instantly the gearbox locked up. it locked up so bad i had to call a tech (licensed by KWA btw) and even he couldnt figure it out. we had to take apart the whole gearbox just to see what was wrong and it turns out the TRIGGER was actually blocking one of the gears from spinning. Just from looking at it he said i was one of the worst gearboxes he had ever seen. Now 2 weeks later (when im writing this) he told me he cant even fix it the gearbox is so messed up. Oh and as the guy said below me the motor can barely turn the gears let alone a M120 spring.

Really nice Externals
Deans plugs
Sick trades

gearbox internals are horrendous
motor cant handle the spring the gearbox has
Motor wires attached by screws (LIKE SERIOUSLY WHAT IS THAT!?)

I can honestly say i will never be using G&P internals again.
by Zander B. on 02/04/2015
"I got this because it had a complete gearbox with and upper and lower for my new build. I shouldve just bought everything separate in the end though..

-Solid upper and lower
-nice gearbox shell

-Motor died 2 shots in (literally 2 shots in with a 9.6 battery)
-selector plate was broken before i even did anything.
-bearings stuck too far out of the shell and had to get new ones just so i could fit a new selector plate on it (i think this is what broke the plate in the first place...)
-the wiring had the screw connectors and had to get standard motor connectors just to fit the new motor i had to get.

over all i'm dissatisfied with g&p on this specific product. ended up getting a new motor, a new selector plate, and new bearings. I personally would not recommend buying this.
G&P Complete "Special Ops" M4 Metal Receiver & Gearbox Airsoft AEG ProKit (G&P USA) Rear Wire / Black
Looking to build your dream AR-15 M4 M16 AEG without compromises? The G&P ProKit is dedicated to provide you the top selections of everything you need; and nothing you don't. Every G&P ProKit comes complete with a per-assembled AR-15 M4 receiver, a fully tuned complete gearbox, G&P motor, motor grip, and integrated deans adapter low resistance wiring harness to start you off without compromises. All that's left between you and your custom dream build, will be a front-end of your choice and stock! The ProKit is a great start for the intermediate and advanced players who wants to take advantage of the vast selections of m4 front end furniture and stocks available at Evike.com. The G&P gearbox, motor and receiver is globally recognized to be among the highest rated. Our chronograph, ROF meter, voltage and current meter have also verified that the G&P gearbox runs with lower resistance, a higher rate of fire (given same spring rating) and much smoother as the result of years of research and development G&P put into their performance parts.


About G&P

Established in 1995, G&P is among the oldest Mil-Sim training and simulation Airsoft manufacture in the world. Started as the top combat light provider for law enforcement and military agencies around the world, G&P branched into Airsoft manufacturing with the same belief to never sacrifice quality for lower price. Their motto is visible on every G&P product. Every G&P AEG rifle is hand assembled and individually fine tuned by top technicians in the industry to result G&P's unmatched quality and reputation. G&P boasts the most CNC parts and QPQ real steel finish on many of their products.

This product was added to our catalog on Monday 21 January, 2013.

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