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UMAREX H&K UMP 45 Airsoft GBB SMG by Umarex - Black

ID: 50224 (GR-2262044)
Elite Force / Umarex50224
4.5 stars, based on 6 reviews
UMAREX H&K UMP 45 Airsoft GBB SMG by Umarex - Black
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Optic shown in images not included.

$299.95 $269.96

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The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.

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Optic shown in images not included.The H&K UMP (Universale Maschinenpistole, Universal Machine Pistol) was developed and manufactured as a lightweight and cheaper to produce successor to the venerable MP5.The UMP utilizes high tech polymers for the great majority of the firearm to help cut down on overall weight as well as make the firearm less susceptible to the elements and corrosion. Other features include 4 different trigger group settings (safe / semi / 2rd burst / full auto), a side-folding buttstock to help reduce the weapon profile for transport, Picatinny accessory rails, and a bolt lock which will engage after the last round is fired.

The UMAREX gas blowback UMP features realistic construction and functionality that replicates the actual UMP as closely as possible. The sturdy polymer receiver and front assembly helps make this SMG incredibly light weight, perfect for high speed loadouts. The UMP boasts very realistic recoil and an impressive fire rate that can quickly empty its realistic 30rd magazine, putting a lot of firepower down range.


  • Fully licensed by Heckler & Koch
  • Compact design; great as a sidearm for snipers and MG crews or as a primary weapon
  • Realistic, hard-kick blowback
  • High strength nylon-reinforced polymer
  • Side folding nylon-reinforced polymer stock
  • Adjustable rear sight
  • Heavyweight nylon-reinforced polymer magazine
  • 20mm front accessory rails
  • Top rail for optics
  • Ambidextrous selector switch, and mag release
Length: 450mm / 695mm (Folded / Extended)
Weight: 3.58lbs
Inner Barrel: 190~mm
Magazine Capacity: 30rds
Muzzle Velocity: 360~ FPS (Measured with 0.20g BBs and Green Gas)
Gas Type: Green Gas, Propane
Fire Modes: Semi / 2rd Burst / Full-Auto / Safety
Package Includes: Gun, Magazine, Manual
Hopup: Yes, Adjustable

Manufacturer: Umarex (Licensed by H&K)

User Manual download available HERE

FPS: 360

California residents click here for Proposition 65 warning

About Elite Force / Umarex

Since 1972 Umarex has created a world of adventure for sport shooters, recreational shooters and hunters. Its high-performance, high quality models permit training under highly realistic conditions.

6 Customer Reviews

(Write a review)

by Nate C. on 05/06/2018
"I owned this gun for about a year, and it lasted me throughout the whole year. Its sturdily built, feels nice in the hands, has correct markings, and is dead accurate. I love how light the gun is too. I had mine with a 1-point sling and red-dot sight and it really rocked the house (or field). Here are some pros cons

Mags fed perfectly
Very customizable
1:1 accurate

Sights are a bit weak and cheap
Sling mount took ALOT of wear when I used it with a 1-point
The battery that comes with the gun is actual garbage, and you should invest getting a different one once you receive the gun.

All-in-all, I highly reccomend this gun to any airsoft player as its fun and simple to use and turns alot of heads.
by Jacob H. on 08/03/2017
"Ok to start off the review I am VERY biased towards the UMP-45 in general just because of looks and it's place in movies such as Casino Royale and Quantum Of Solace. That being said, this is a very nice gas blowback SMG. This thing has some GREAT RECOIL and once the hop-up and rear sight were adjusted properly, it shot very straight. I did have a slight problem with the magazine though but it was fixed after I let all of the gas out, let it warm back up, and re-gassed it. The only con about this gun is the magazines are a PAIN to load even with the speedloader. Other than that, I removed all the rails and the handstop and am planning to buy the G&G UMG mock supressor for it. Overall, I rate this gun a 5 out of 5 and it would be a fun CQB or Outdoor gun for the gas blowback enthusiast such as myself.
by Robert G. on 07/02/2016
"I got this from a trade and the previous user took extremely good care of it. He told me he had this for about a year and a half, and rarely had a chance to use it due to his location.

The gun is built from a stronger type of polymer compared to the standard non-blowback version. It is very light weight and anyone can use it. The magazine holds around 25-ish rounds, and it's very hard to load bb's in even with a speed reloader. Firing mode comes with safe, single, double, and full auto; honestly 2 round burst works best for me in face-to-face combat. Gas consumption is moderate: I usually get about one and a half mags worth of bb's with one fill of propane. The abundance of rails on the sides allows you to customize this the way you want: I have mine decked out with an (replica) EoTech, foregrip, and the G&G UMG Silencer (The UMG silencer is not a 100% fit, but it clips on the barrel to the point in which it does not wiggle around. Highly recommended if you're looking for a silencer!) Overall, I love this a lot and I thinks it's a little bit under rated, but this is merely my opinion. Best of all, you can do the HK slap!!

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