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Air & spring

Umarex Colt Defender CO2

Umarex Colt Defender CO2 — documented specs for the Colt Defender: caliber 4.5 mm BB, overall length 177 mm (6.97 in), capacity 16, muzzle energy at most 3 J (2.2 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 Colt Defender


Specifications

Action
CO₂
Overall length
177 mm (6.97 in) · Colt Defender
Capacity
16 · Colt Defendertubular magazine
Muzzle energy
at most 3 J (2.2 ft-lb) · Colt Defender

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