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JG Laser Engravable Full Metal Lower Receiver for M4 M16 Series Airsoft AEG (Blank)

ID: 30725 (MB-JG-M4-Lower)
JG / ASP / GE30725
2.8 stars, based on 6 reviews
JG Laser Engravable Full Metal Lower Receiver for M4 M16 Series Airsoft AEG (Blank)
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This blank lower allows you to take customizing your M4 to the next level. Engrave* your own design or whatever you want on this full metal surface. Included bolt catch can be used with AEGs equipped with realistic locking bolt feature as well as standard AEGs.


  • Full Metal
  • Laser Engravable

  • Manufacturer: JG

    *Engraving service not available through

    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.

    6 Customer Reviews

    (Write a review)

    by Andre R. on 11/14/2017
    "Well that was a waste. Bought this to replace the broken lower receiver of my JG M4 ssystem. Also bought the JG version 2 gearbox. Not only does the gearbox not fit the lower receiver but is also missing the plate to screw the hop-up feeding base to. The lower receiver is made well enough, its pretty strong. Too bad none of the JG parts fit each other. Seems like they may need address that and get their specs together. Very disappointed.
    by Derek V. on 08/15/2016
    "Manufacturer: JG
    Stock JG Gearbox for the *S-System will not fit
    Pivot pin will not fit *S gearbox
    Buffer tube and spacer will not go on
    You would think that this would fit their products

    I know that these are not in the description:
    Does not come with a magazine catch
    Does not come with opposite fire selector
    by Nate H. on 04/05/2016
    "Build quality is good but all of the receiver pin holes had to be drilled to accept the pins I had. The magazine release is extremely off centered and cross threaded my magazine release. Finally, my gearbox won't sit straight inside of the receiver. All in all this part is complete trash. Do not buy!!!

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