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Umarex H&K Licensed HK45 Tactical Non-Blowback CO2 Airsoft Pistol

SKU: HK-2273028 UmarexOut of stock Map ProtectedPrice is map protected. Coupon(s) may not be applied to this item.

  • - Officially licensed by Heckler & Koch
  • - Lightweight polymer construction
  • - White three dot combat sights
  • - Front and rear slide serration
  • - Textured, ergonomic grip
  • - Enlarged, knurled trigger guard
  • - 20mm accessory rail for lights/lasers
  • - Ambidextrous magazine release
  • - Shoots up to 350 FPS (w/ 0.20g BBs)


Umarex H&K Licensed HK45 Tactical Non-Blowback CO2 Airsoft Pistol

One of the benefits that non-blowback CO2 airsoft pistols bring to the table is their efficiency and hard-hitting muzzle velocity. But if you’re looking for something more field-legal (while still retaining the ability to use multiple magazines with just one CO2 cartridge), the NEW Umarex H&K HK45 Airsoft Pistol is perfect for you! Designed originally to meet requirements for the U.S. Joint Combat Pistol Program, the HK45 is one of the top sidearms used by military and law enforcement personnel. When airsoft is concerned, the pistol’s CO2 loading system is extremely easy to use. Simply hinge back the backstrap, insert a single CO2 cartridge, and twist the capsule piercing screw clockwise. This allows you to use multiple magazines, which you can purchase at Airsoft Megastore, without having to change out the cartridge every time! And unlike green gas airsoft pistols, climate won’t affect performance, ensuring that this CO2 pistols shoots consistently between 340 and 350 FPS with 0.20g BBs! Whether you’re a serious airsoft players looking for a reliable secondary or like the tried-and-true feel of the HK45, this airsoft CO2 pistol if perfect 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 recommends GoldenBall ProSlick BBs which carry perfect spherical consistency and density, available at Airsoft Megastore for the lowest price on the market, guaranteed.

In the Box

Airsoft pistol


instruction manual


Operation CO2 Non-Blowback
Build Polymer Slide, Frame, Accessory Rail, Sights
Firing Modes Semi-Automatic, w/ Functional Safety
Muzzle Velocity 340 – 350 FPS (w/ 0.20g BBs)
Propellant CO2
Magazine 15rd CO2 magazine
Hop-Up Fixed
Weight 1.4 lbs
Overall Length 8.25" in.

California Proposition 65 Warning: Cancer and Reproductive Harm -

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