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HK Licensed Airsoft UMP 45 Full Metal Gearbox AEG CQB Submachine Gun

SKU: HK-2275001 Elite ForceIn Stock Map ProtectedPrice is map protected. Coupon(s) may not be applied to this item.

  • Adjustable hop-up unit
  • Adjustable rear sight
  • Full length top rail
  • Functional charging handle
  • Quick Change Spring Option
  • Fully Licensed Heckler & Koch trademarks, licensed by Umarex
  • Easy field stripping/ disassembly
  • Easy access battery compartment
  • Folding skeleton stock w/ rubber butt pad
  • Integrated forward and rear sling mounts
  • Ambidextrous selector switch


HK Licensed Airsoft UMP 45 Full Metal Gearbox AEG CQB Submachine Gun

Heckler & Koch, renowned for manufacturing industry leading real steel firearms, has released a fully licensed Sportline AEG version of their modern UMP45 submachine gun, featuring a lightweight compact design and premium internal components. This NEW and fully licensed CQB AEG features a rock solid polymer body, similar to the real steel H&K UMP45, and plenty of rail space for attaching modular weapon accessories.

The UMP was designed as a lighter weight alternative to the H&K MP5 submachine gun, and is currently being used by military and law enforcement agencies world wide. Inside the rugged polymer body is a unique and innovative full metal Version 3 gearbox, featuring a quick change spring option and an improved electric trigger switch, providing lightning fast trigger response and improved versatility. This HK UMP45 AEG, manufactured by S&T, shares many of the same internal components and performance features with the premium ARES/ STAR UMP45 AEG, at a fraction of the price! The NEW HK UMP Submachine Gun AEG's rugged construction, premium performance, innovative internal design, and affordable price tag truly sets it apart from other compact SMG AEGs on the market!

Battle Ready Exterior:

The HK UMP45 AEG features an impact resistant polymer body, built to withstand even the most intense simulated airsoft combat conditions while keeping the AEG's weight to a minimum. Unlike most inexpensive compact CQB AEGs on the market, this NEW HK UMP45 AEG features fully licensed trademarks which are prominently displayed on the lower receiver. The solid construction of the HK UMP45 AEG polymer body, paired with fully licensed trademarks from Umarex gives this CQB AEG a truly authentic look and feel. Another great feature of this HK UMP45 AEG is the attached accessory and optics rails, which provide plenty of rail space for attaching modular accessories and optics. The bottom, left, and right accessory rails are made from full metal, creating a more stable platform for accessories. The top optics rail is made from ABS plastic, however its design makes it very rigid and easily capable of carrying heavier optics accessories.

The UMP45 is known for its ease of use in close quarters environments, thanks to its side folding stock, allowing you to easily corner in close quarters combat. The HK UMP45 AEG also features front and rear sling mounts, as well as an ambidextrous selector switch. Field stripping the HK UMP45 AEG is incredibly easy, allowing you to quickly access the gearbox and hop up for repairs or adjustments. With a rugged and light weight build, compact size, modular capabilities, and fully licensed Heckler & Koch trademarks, the NEW HK UMP45 AEG, by S&T, is sure to be one of the most sought after compact submachine gun AEGs on the market!

Innovative Gearbox Design:

S&T has truly created one of the most versatile full metal Version 3 gearboxes on the market, with an integrated quick change spring design, as well as upgraded and reinforced internal components. The quick change spring option allows the player to easily swap out different power AEG springs, all without ever removing the gearbox! This is a great feature for players who want to use one AEG for both indoor CQB and outdoor field settings. Simply open the door at the rear of the AEG and put in whichever spring provides you with "field legal" FPS! Another great internal feature of the HK UMP45 AEG is the electronic trigger switch, which provides faster trigger response and eliminates the risk of wearing down trigger contacts. The only other UMP AEG with similar internal features costs over $100 more! Don't miss out on one of the most adaptive and effective UMP45 AEGs on the market!

If you are looking for a mission adaptable AEG, with a rugged and authentic exterior, paired with high performance internals then the fully licensed HK UMP45 AEG, manufactured by S&T, is the AEG for you!

Ammo type: Seamless 0.20g or heavier (0.23g, 0.25g, 0.26g, 0.28g, etc)BBs. For maximum performance and accuracy, Airsoft Megastore recommendsGoldenBall ProSlick BBs which carry perfect spherical consistency anddensity, available at Airsoft Megastore for the lowest price on themarket, guaranteed.

Battery Charger Recommendation: Airsoft Megastore recommends the use of a smart charger to avoid overcharging the battery (overcharged batteries may cause decreased airsoft gun performance and may shorten battery life significantly). Smart chargers not only shorten charge time significantly (up to 800% faster charging), but more importantly, also automatically shut off once the battery is fully charged to avoid overcharged batteries.

In the Box


Hi-cap Magazine (400rd)

8.4v Stick Type Battery

Standard Wall Charger



Operation Electric Automatic
Build/Body Ultra durable fiber polymer body with full metal internals
Firing Modes Semi-automatic and Full-automatic
Gearbox Full metal Version 3, w/ Easy Access Quick Spring Change Feature

California Proposition 65 Warning: Cancer and Reproductive Harm -

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