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Rimfire

Weihrauch HW 66

Weihrauch HW 66 — documented specs: caliber .22 LR · .22 WMR · .17 HMR · .222 Rem., barrel length 560 mm (22.05 in), overall length 1,040–1,045 mm (40.94–41.14 in), capacity 4–5. The source for each figure is listed below the specs (catalog as of 10/16/2026).

Category
Rimfire
Classification (DE)
Long firearm
Era
Present (from 1991)
Origin
Germany
Calibers
.22 LR · .22 WMR · .17 HMR · .222 Rem.

Derived from design and catalog dimensions under the German WaffG, Annex 1 Sec. 1 Subsec. 1 No. 2.5; the individual gun is what counts.

Also known as: HW66 · Weihrauch HW 66 JM · Weihrauch HW 66 HM

Specifications

Action
Bolt action
Barrel length
560 mm (22.05 in)
Overall length
1,040–1,045 mm (40.94–41.14 in)Depending on variant · varies by model
Capacity
4–5Depending on variant · magazine · varies by caliber

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 .22 LR

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