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Air & spring

Umarex Glock 17 Gen4 CO2

Umarex Glock 17 Gen4 CO2 — documented specs for the GLOCK 17 Gen4: caliber 4.5 mm BB, overall length 203 mm (7.99 in), capacity 18, muzzle energy at most 2 J (1.5 ft-lb). 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 GLOCK 17 Gen4 · G17 Gen4 CO2


Specifications

Action
CO₂
Overall length
203 mm (7.99 in) · GLOCK 17 Gen4
Capacity
18 · GLOCK 17 Gen4magazine
Muzzle energy
at most 2 J (1.5 ft-lb) · GLOCK 17 Gen4

Sources

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.


Related

Catalog as of