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Rimfire

Smith & Wesson M&P15-22

Smith & Wesson M&P15-22 — documented specs: caliber .22 LR, barrel length 419 mm (16.5 in) (M&P15-22 Sport), overall length 779–857 mm (30.67–33.74 in), capacity 25 (M&P15-22 Sport). 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
United States
Calibers
.22 LR

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 15-22 · M&P15-22 Sport

Specifications

Action
Blowback
Sights
Open sights
Barrel length
419 mm (16.5 in) · M&P15-22 Sport
Overall length
779–857 mm (30.67–33.74 in)Depending on variant · stock collapsed to extended
Capacity
25 · M&P15-22 Sportstandard magazine · excluding the chambered round

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States (federal law): Federal law sets no capacity limit for magazines; the former limit expired in 2004 and has been repealed (18 U.S.C. § 922(w) (repealed)).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 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