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Rimfire

Smith & Wesson M&P22 Magnum

Smith & Wesson M&P22 Magnum — documented specs: caliber .22 WMR, barrel length 110 mm (4.33 in), overall length 213 mm (8.39 in), capacity 30. The source for each figure is listed below the specs (catalog as of 10/16/2026).

Category
Rimfire
Classification (DE)
Short firearm
Era
Present (from 1991)
Origin
United States
Calibers
.22 WMR

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: M&P 22 Magnum · M&P22 Mag

Specifications

Action
Gas operated
Sights
Open sights
Barrel length
110 mm (4.33 in)
Overall length
213 mm (8.39 in)with magazine
Capacity
30magazine supplied

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.

Magazines that fit

Magazines that fit this model according to their manufacturer — with capacity, caliber and the limits by country in the accessories catalog.

United States (federal law): Federal law sets no capacity limit for magazines; the former limit expired in 2004 and has been repealed (18 U.S.C. § 922(w) (repealed)). Several states do limit capacity, however – for example California, New York, Connecticut, Maryland, Washington and Colorado – some as a sales ban, some as a possession ban. This list is not complete; the law of the state decides.

Other models in .22 WMR

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