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G&G UMP Airsoft Electric Gun AEG Rifle

$274.50  per EACH
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Item Code:
ER-GG-UMG
Airsoft Guns Styles:
MP5 Airsoft Rifle
Airsoft Manufacturers:
Guay Guay G&G
In Stock: NOT IN STOCK
Model: UMG UMP Airsoft AEG Rifle
 
Written Review  - Click on Picture of Airsoft Gun to Read Review

G&G UMP Airsoft Electric Gun AEG Rifle
Specifications:
- Velocity: 360 fps (0.2 g BB) / Range 160-180 feet
- Barrel Length: 9.5 inches / 24 cm
- Magazine Capacity: 250 Rounds
Features:
- Top Scope Rail Included
- Full Metal Gearbox
- Battery and Charger sold Separately
- Airsoft Gun Review & Airsoft Upgrade Video Available - Click More Info
- Made in Taiwan

Please visit our Airsoft Maintenance page for information and videos.

This G&G UMPis packed with features! It features a side folding stock for quick and easy transport. It has a modular railed forend for you to mount any tactical lights lasers or foregrips. It Also includes an integrated top scope rail for mounting any optics of your choice!

G&G Airsoft AEG Rifle Manual

- Internal Upgrades: Brass Gear Box Bushings, Ball Bearing Spring Guide Rod, 6.035mm Precision Inner Barrel, 205 mm Barrel Length, Metal Gear Box, Steel Gears)

-All G&G AEG airsoft rifles are pre-upgraded with precision inner barrel, ONLY USE high precision BBs. Failure to do so will cause jam and possible internal damage resulting in permanent damage and will VOID warranty.

Review of the Newly Re-designed G&G UMG

We recently received a working prototype of the NEW G&G UMG. Having personally handled and shot a real UMP .45, we were very eager to compare this gun with our experience with the real one as well as evaluate it as an AEG.


Appearance

The G&G UMG is an extremely detailed and attractive Airsoft AEG. The first thing you notice is the unique serial number on each rifle. The ABS plastic body is very solid and has a flat matte look to it with similar feel as the Classic Army CA G36C ABS. G&G put a lot of detail into this gun from the correct positioning of the markings (no trademarks) on the airsoft gun to the mock trigger assembly pins in the lower receiver just like where they should be on a real UMP. To keep the gun from having problems from importing in to the US, the markings are changed to prevent trademark violations. Instead of on the side of the gun like the real gun, they have GG (For Guay Guay or G&G) . Instead of UMP, they named it "UMG" which, according to G&G, stands for "Uber Machine Gun". They also added the 6mm auto markings on the bolt instead of .45 cal, .40cal, or 9mm. These small details make the look and feel of the UMG extremely authentic. The airsoft gun also comes equipped with side and bottom rails to allow the addition of a vertical foregrip, lights, lasers, or any railed accessory you can imagine and a top rail to add your favorite optic. The stock folds to the side and locks solidly into place. Overall, the appearance is top notch and the attention to detail will appeal to the most discerning airsofters.

 

Side and under rails are included on this AEG. 

 

The UMG has G36 / MP5 style selector that is ambidextrous.

Like most rifles, they were designed for both righty's and lefty's in mind. Fortunately, this was also translated into the airsoft guns as well.

Here you can see the detail of the gun with "6mm Auto" engraved on the UMG's bolt along with the fake trigger assembly pins in the lower receiver.

Performance

The overall performance is much similar to Tokyo Marui AEG's. Out of the box, this sample fires smoothly, shooting approximately 320-360 fps with 0.20g Excel BB's. The gun draws about 12.5 AMPs with the stock spring. The gun's battery compartment can fit an 8.4V 600mah NiCad or 1050mah NiMH stick battery without any problems.  To access this area, you must fold the stock and then open the small door in the back. This makes changing batteries a breeze.  The compartment size limitation will require an entirely new configuration of custom battery if you need more power.  The G&G manual shows that a custom configured 9.6V 1100mah NiCad battery using the same cells as that of an MP5SD6 or M4 nunchuck custom battery pack will fit the compartment. 

If you are looking for maximum battery power and capacity for this Airsoft AEG, we recommend the double AA airsoft battery stick configuration. It's basically 2 rows of 4 AA's, resulting in a 9.6 V airsoft battery pack that has a capaicty of 1100 mAH to 1600 mAH..


Here you can see the battery access from the rear view of the AEG. With the stock folded open, you can open the small door to easily get the battery in and out. 

  
 

This gearbox is almost the same in appearance and dimensions to the Ver III gearbox. Looking at it you would think you opened a Tokyo Marui or CA G36C. The way the motor is attached is very similar as are the internals. Unlike most Ver III gearboxes, the spring guide usually pops out when you crack it open. The G&G UMG actually stays put. They use the G&G Ver III spring guide without bearing and as you can see on the image on the upper right. It stays put even with the spring compressed with the piston. The UMG comes standard with pre-upgraded internal parts such as a polycarb type piston, piston head, metal bushings, reinforced gearset (standard ratio) and reinforced spring guide.

 

G&G also uses their high torque motors in the AEG that produces a reputable rate of fire producing 25,000 RPM's (Rotations per Minute). With a 8.4V battery, the airsoft gun delivers a nice 600 rounds per minute and at 9.6v, it's around 800 rpm. We did upgrade the UMG with an upgrade spring. With the Guarder SP120 upgrade, it fired almost 400 FPS with the same 6mm airsoft BB (Excel 0.20g non Bio). It had a 14-16Amp draw and a rate of fire of approximately 500-600 rounds per minute. 

 

The base plate is attached just like the Tokyo Marui and CA G36C. You only need to remove the one large screw on the bottom to free the gearbox. The other 2 screws hold the base plate to the lower receiver.

Features

The UMG has several features that enhance the performance, look, and the overall feel of the AEG airsoft rifle. Let's start with some of the performance parts. The hopup unit is a one piece hopup system that is all metal. The adjustment lever is accessible behind the ejection port like most AEG's. Just like a Tokyo Marui G3 SG-1, MC-51 or even a CA33E, the hopup adjustment lever can be accessed when the charging handle on the weapon is cocked back. You can lock open the ejection port like the real thing. 

  

Here you can see the cocking handle is locked back and up like an MP5, G3 or PSG-1.  The cocking knob even rocks back a few degrees as you pull on it, just like on the real UMP,  this feature demonstrates the incredible details that G&G included with the airsoft gun that is functionally unnecessary in an AEG but faithful to the real steel UMP.

The hopup unit is exposed along with the hopup adjustment lever. Like most airsoft gun hop up adjustments, slide the black lever forward to for more hop. For less, slide it to the rear of the gun.



Not only can you lock the bolt open by charging the cocking lever back and rotating it up like on any Airsoft MP5, you can also lock it open with the bolt catch. Just like the real gun, this bolt catch actually works. Pull back the charging lever and press the bottom of the bolt catch and the bolt will lock open. To unlock, simply push the top round part of the bolt catch and the bolt will snap forward.  We did this quite a bit and the bolt didn't break off as they sometimes do on MP5's. Once again, this authentic feature does nothing for AEG performance or functionality but is very cool nonetheless.

Field strip break down of UMG / UMP

The UMG breaks open almost identically to the real gun where the upper receiver can be rocked up from the lower receiver. This makes breaking down the AEG for an upgrade or switching inner barrels a very simple task. There are a few key things to be aware of when performing this procedure. You can see in these pictures the steps to field stripping the G&G UMG.

 

 1. Remove the rear body pin

2. Before removing the lower receiver, you must push hopup unit forward to clear the AEG's nozzle from the hopup chamber (the hopup unit has a spring in front like a P90, G36C and an AUG).

  

3. As you push the hopup unit forward, you can swing the lower receiver down. Once it is in this position, the hopup chamber should be clear of the nozzle.


4. Now you can unhinge the lower from the upper receiver. If you need to access the inner barrel, it comes out very similar to the G36. Just push it in, twist it slightly and it will slide out.


The rear sights are adjustable with hex screws.

 
Rear sight can also switch from standard sight to ghost ring. 
 

The gun comes with a 530 round hi capacity mag. The magazine is the only part lacks complete authenticity. The real UMP magazine has a thin clear plastic window strip in the middle so you can view your ammo status.

Optional

The gun will have a quick detach mock silencer available but it will not be included with the gun.

Here is a picture with the silencer on the UMG.

 Overall 

The G&G UMG is an extremely high quality and compact AEG and one of the most faithful reproductions of the actual firearm available on the airsoft market. The level of detail and the overall construction make this a definite buy. The only issue we encountered was the low velocity after a quickie upgrade.  We highly doubt that the issue is with the gun although we won't know for sure till they become available in quantity and we do more work on them.  Meanwhile, we'll keep tinkering with the gun and update the report if there is any new information.

More Airsoft Gun Reviews

More Airsoft Upgrade How To Instructional Videos

This airsoft gun is not to be misrepresented as a real firearm or gun that is manufactured and is merely an airsoft gun that fires 6mm pellets. The manufacturer of this airsoft gun is G&G


Return for refund:15 Day(s)
Return for repair/replacement:60 Day(s)
More Information About The Best Airsoft Return Policy

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