G&P Complete M4 Metal Receiver & Gearbox Airsoft AEG ProKit (Seal Team 6) - Rear Wire / Dark Earth


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Usually restocked within 1-3 weeks. Add to your wishlist to stay posted!

Model: PROK-MK003-D
This item is MAP controlled
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2 Customer Reviews

by Kristian B. on 02/01/2014
"I would like to modify my original review as I was frustrated at a minor nuances but after looking at the receiver kit I let those minor things skew my view of the product. The receiver is not only visually appealing but it feels very solid, giving it a very realistic feel to any AEG you make out of it. The special Seal Team Six receiver engravings and the trigger guard are also a very nice touch. I one thing I didn't like and didn't expect was the fact that the bolt catch is non functioning, causing the bolt catch to rattle and fall out when breaking down the receivers in a breakdown case. Also the dust cover does not close due to a bulge in the part that clips on to the inside of the breach. Now here's the original problem & solution that caused me to be frustrated and write the negative review: The fake bolt has a bulge at the bottom of it that does not clear part of the inner upper receiver and it causes problems overall. the solution is to sand or file down the bottom of the fake bolt in order to allow the bolt to slide back and forth.


- Full metal (CNC Aluminum)
- One of the few Dark Earth full metal receivers
- Self retaining pin making it easy to field strip
- Inexpensive internal and external upgrade for a performance AEG
- Comes with M120 motor and Deans connector


- Have to modify the fake bolt to use the charging handle
- Dust cover does not close
- Bolt catch lever non-functioning, loose so it can be lost easily when field stripping
- Some Hop up units need to be modified to fit alongside the gearbox.
by Kristian B. on 01/30/2014
"I got this receiver kit hoping for good internals and externals. I can honestly say that the receiver itself feels very solid but there were a few things I couldn't ignore.

Pros: Solid construction

Cons: Bolt and charging handle have too much resistance, do not fit well
- Bolt release does not function like most G&P guns
- Selector switch is not responsive.
G&P Complete M4 Metal Receiver & Gearbox Airsoft AEG ProKit (Seal Team 6) - Rear Wire / Dark Earth
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 pre-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 want to take advantage of the vast selection 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.

Compatibility: The G&P ProKit is compatible with all major brands of M4 / M16 series front ends and stocks
Power: M120 (360~450 FPS depending on setup)
Laser Engraving: Seal Team 6
Wiring: Rear. Low Resistance High Gauge Anti-Heat Wiring Harness.
Plug Type: Deans
Gearbox: 8mm Bearing Gearbox.
Motor: G&P High Performance high speed M120 motor.
Manufacture: G&P

Package Includes:
  • Seal Team 6 Full Metal Laser Engraved Receiver
  • G&P Award Winning 8mm Bearing Complete Gearbox (Rear Wiring)
  • Integrated high performance deans type T connectors
  • M4 Cocking Handle
  • New Dust Cover Set
  • Reinforced G&P Metal Bolt Cover / Receiver Pin Set / Forward Assist Knob / Selector / Magazine Catch
  • Reinforced G&P Metal M4 Trigger Guard / Bolt Stop
  • G&P M120 Motor and Motor Grip
  • *If you are looking to build your dream AEG with the front-end, RIS, and stock of your choice: This kit comes complete with everything you need! The gearbox and metal receiver assembly are all pr-assembled!
  • About G&P

    Established in 1995, G&P is among the oldest Mil-Sim training and simulation Airsoft manufacturers 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 match G&P's unparalleled quality and reputation. G&P boasts the most CNC parts and QPQ real steel finish on many of their products.

    This item is currently Out of Stock. Most out of stock items are restocked within 1-3 weeks. Some items may take longer. Please add this item to your wishlist to keep posted on its availability.

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