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JG Engraveable Metal Body Receiver Set For M4 M16 Series Airsoft AEG (Color: Black / Blank)

ID: 28635 (MB-B-X040)
JG / ASP / GE28635
3.7 stars, based on 13 reviews
JG Engraveable Metal Body Receiver Set For M4 M16 Series Airsoft AEG (Color: Black / Blank)
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Color Options:


  • Die-cast aluminum alloy construction
  • Matte black anodizing
  • Standard flat top Picatinny rail
  • Factory direct OEM replacement part
  • Dust cover, forward assist, selector, mock bolt stop, and charging handle included
  • For one-piece hop-up
  • Blank lower receiver, perfect for custom engravings / laser etching
Material: Aluminum.
Compatibility: Fits Tokyo Marui, JG, Matrix, G&P, G&G, SRC, Echo1 and Other Compatible M4 / M16 AEGss

Manufacture: Matrix / JG

California residents click here for Proposition 65 warning

About JG / ASP / GE

JG / Jing Gong (China) / ASP (Hong Kong) is among the world's largest Airsoft OEM (Original Equipment Manufacturer) and pioneer for high quality Airsoft AEG rifles. With superb production capability, volume, and their close relationship positioned JG to provide the world market with great reliable products.

13 Customer Reviews

(Write a review)

by James C. on 02/25/2017
"Not what I expected or hoped for. I had bought this set mainly to replace an upper receiver I had and to be able to swap uppers while keeping the same lower receiver and gearbox. It is not interchangeable with the JG body I currently have because the one I received is a different version and the upper receiver hinge is too wide. The one I received also has the fake bolt release mechanism, which I don't know how to put together, nor do I really want it. Mine was missing the fake bolt cover, exposing the gearbox and hop up when the dust cover is open.

The good things are it is pretty sturdy and the finish is good. The upper and lower seem to fit each other ok, but the upper somewhat clamps on the gearbox. A gearbox is needed to make the edges flush between the two halves. I would not recommend this because you might not get exactly what you want, but it is still perfectly usable and the overall quality is decent.
by Jeremy T. on 02/15/2017
"I got 2 of these for 2 different build. Both have the same pros and cons. From the construction I was very impressed. The feel of it is amazing and very sturdy. Big improvement when it come to stability. I love how it looks and everything else. But the bad part.. after trying 6 different hopup units, 3 barrels, and 3 gearboxes I could never get a good alignment between the mag, hopup, and gearbox. It's always 2 of the 3 work and that's it. That being said, when the mag is in, it won't lock in because it won't line up with the hopup. Or when it does, the hopup is too far backwards being preased against the gearbox ever so much to have even short air nozzles stick out slightly, thus blocking the mag from feeding. So I'm going to try modifying the receiver a bit and see if I can get it to work.
by Fernando V. on 02/10/2017
"I got this to replace my G&P m4 body so it could fit a mk18 DD rail. First, the barrel nut did not fit in the receiver. Second, the pins did not fit in the receiver holes. Third, the g&p buffer tube did not fit in the body. So I gave up. It says G&P compatible but it really isnt, maybe the gearbox fits well but nothing else.

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