Umarex Heckler & Koch HK45 CO2
Umarex Heckler & Koch HK45 CO2 — documented specs: caliber 4.5 mm BB, overall length 203 mm (7.99 in) (HK45), capacity 19 (HK45), muzzle energy at most 3 J (2.2 ft-lb) (Heckler & Koch HK45). The source for each figure is listed below the specs (catalog as of 10/16/2026).
- Category
- Air & spring
- Era
- Present (from 1991)
- Origin
- Germany
- Calibers
- 4.5 mm BB
Also known as: Umarex Heckler & Koch HK45 · HK45 CO2
Specifications
- Action
- CO₂
- Overall length
- 203 mm (7.99 in) · HK45
- Capacity
- 19 · HK45magazine
- Muzzle energy
- at most 3 J (2.2 ft-lb) · Heckler & Koch HK45
- umarex.de — product page Heckler & Koch HK45 (5.8185)
Sources
- umarex.de — product page Heckler & Koch HK45 (5.8185)
Specifications come from the source cited alongside them; counts are based on our catalog as of the date stated. Not legal advice: what follows from these figures in a given country is decided by that country’s law. Waffenschrank is not affiliated with the manufacturers named.
Other models in 4.5 mm BB
Models from other manufacturers in the same caliber, drawn from the catalog in no particular order — not a recommendation and not a comparison of specs.
- Air & springDaisy Red Ryder Single-Action Revolver
- Air & springDaisy PowerLine 426
- Air & springDaisy PowerLine 5501
Related
- Calibers of this model4.5 mm BB
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Catalog as of