The advantages of this gun are its accuracy, power, and good workmanship. As for disadvantages, it's hard to find any; it's absolutely fine. Shoots quite accurately from 20 meters. I used to shoot with a Crosman C11 and that's why I wanted to buy it, but I chose Umarex instead. For about 100 PLN more, you get a good German Umarex gun, and Umarex is Umarex.
Umarex Heckler&Koch HK45 GNB CO2 4,5 mm Airgun
Shipping: Immediately
€94.23
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€94.23
Officially licensed airgun replica featuring authentic markings from the renowned German firearms manufacturer - Heckler & Koch.
The main body is constructed from rugged ABS composite, while the slide is crafted from metal. Housed within the grip, the double-stack magazine accommodates 19 BB rounds (BB type), with a caliber of 4.5 mm. A 12 g CO2 cartridge, also located in the grip, serves as the power source for the pistol. For enhanced control, the grip surfaces feature aggressive texturing to prevent slipping, including when wearing gloves.
Equipped with a DAO trigger mechanism (Double Action Only), the pistol automatically cycles and cocks the striker system with every pull of the trigger. A wing safety, positioned on the left side above the grip, ensures protection against accidental firing.
Through the utilization of an efficient internal design with minimal moving components, the airgun achieves high performance — one CO2 cartridge enables up to 60 shots at an approximate muzzle velocity of 122 m/s.
Sighting is managed through a fixed front sight and rear sight. Both are marked with white dots resembling high-contrast tritium sights to aid quick and accurate targeting even in low-light environments.
Mounted beneath the barrel is a 22 mm accessory rail (also known as Stanag2324, mil-std 1913, weaver, or picatinny), suitable for attaching tactical lights or laser sights.
Technical data
Caliber: 4.5 mm (.177)
Type of pellet: 4.46 mm (BB)
Initial velocity: 122 m/s
Bullet kinetic energy: below 17 J
Overall length: 203 mm
Magazine: 19 BB
Trigger mechanism block: yes
Trigger: DAO
Weight: 690 g
Manufacturer: Umarex, Germany
Militaria.pl is a premium dealer of Umarex.
Umarex is a German company founded in 1972, which is one of the largest manufacturers of air guns, ASG replicas, and alarm guns in the world. The brand is famous for its faithful replicas of firearms created under licenses from such giants as Glock, Heckler & Koch, Walther, and Beretta. Its offer also includes T4E training systems, ammunition, accessories, and defense equipment. Umarex stands out for its innovations, including revolutionary CO2 air guns and the Fast Action system. Thanks to global distribution, the brand's products are now available in dozens of countries. Umarex's first major success came with an unusual replica revolver sold in a set styled as a Sherlock Holmes book - a product that sold tens of thousands of copies a year.
| Style | Replica |
|---|---|
| Body/frame material | Plastic |
| Accuracy class | Recreational |
| Pellet type | BB (round) |
| Muzzle energy | Under 17 J |
| Initial velocity | 122 m/s |
| Airgun propulsion | CO2 12 g |
| Accessory rail | Yes |
| Caliber | 4,5 mm (.177 ") |
| Max shots per fill | 60 No data |
| Blowback | No |
| Magazine | Yes |
| Magazine capacity | 19 No data |
| Pellet reloading | Semi-auto |
| Fixed sighting devices | Yes |
| Optics ready | No |
| Overall length | 203 mm |
| Weight | 690 g |
| EAN | 4000844568502 |
| Manufacturer code | 5.8185 |
| Brand | Umarex |
| EAN |
Reviews with photos
Review summary
Automatically prepared based on reviews
Number of reviews: 14
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Nice replica, well balanced, calibrated—accurate, fits well in the hand... basically, I repeat the opinions of previous people.
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A good air gun, accurate, rarely jams. It maintains strong power for a long time after installing a new gas cartridge. Overall, a good product for this price and additionally has nice dimensions, you can feel it in your hand.
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Very well-made air gun, solid and durable. The best gift for big boys.
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Accurate air gun, great workmanship.
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I highly recommend this air gun!
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Great toy, just buy a rail, and you can have a flashlight/laser with a sight :) It is well balanced and fits well in the hand. The magazine got a bit damaged after 10k shots but you can just replace it :D for 60 PLN.
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For this price, I am positively surprised. Good accuracy, precision, and solid workmanship are its main advantages. I definitely recommend it to anyone starting their adventure with shooting :)
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For a compact air gun, I am very pleasantly surprised. There is power, you can shoot accurately at a 14x14 target from about 20m. Good cartridges are enough for about 100 shots. Quite heavy and solid, which adds realism. I recommend it.
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Performs well, solid construction, the sight is well calibrated. A product worth attention, one cartridge allows you to shoot 4.5 magazines.
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Great compact air gun which perfectly fulfills its purpose. I recommend it!!!
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So far, I am pleasantly surprised. The pistol, since it has no moving parts, shoots with very high power and the CO2 cartridge allows you to shoot a really large number of pellets. It keeps its power even with the 10th magazine or better. On the first day of fun after receiving the shipment, I fired 5 gas cartridges and about 1000 pellets. It smashes beer bottles to pieces, not to mention cans. I have shot with various replicas, but this pistol is currently the best. I recommend it.
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In my opinion, ideal for fun. I recommend it.
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There is nothing to complain about with this gun. Well made, decent accuracy. Reliable. Price adequate to the product.
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