The SIG Sauer M400 Forge 223 Rem / 5.56 NATO is a rifle from SIG Sauer. This configuration is built around Semi-Auto, a 16-inch barrel, and a listed capacity of 10 + 1.

The action is Semi-Auto. Barrel length is 16 inches. Capacity is listed as 10 + 1, meaning a 10-round magazine with one round in the chamber.

The finish is black. The sights are optics ready sights. The stock, frame, and grip specification is Collapsible / Folding Stock 6 Position MAGPUL SL-K Stock.

The magazine specification is one 10-round magazine. Overall length is 34.4 inches, and weight is 7.2 lbs. This configuration is in the SIGM400 Series.

The store SKU is SIRM40055616FCA. Use 16 inches when you compare size with other SIG Sauer rifles, because barrel length is one of the fields that changes between similar model numbers. The plus-one capacity figure is a magazine count plus a chambered round, which is different from a listing that quotes the magazine alone.

The black finish is the surface treatment to match if you are comparing color or coating with another SIG Sauer configuration of the same model. The model name to compare is M400 Forge. A close SIG Sauer model can differ in finish, capacity, barrel, sights, or included parts, and those differences are the reason this page stays with this configuration. The caliber to match is 223 Rem | 5.56 NATO. The same model name in another caliber is a different firearm.

Additional information on this page repeats the published specification list for this exact configuration. If a measurement is not in that list, it is not stated here and should not be assumed. Read as a checklist, manufacturer is SIG SAUER, model is M400 Forge, caliber is 223 Rem | 5.56 NATO, action is Semi-Auto, barrel length is 16", capacity is 10 + 1, finish is Black, and sights is Optics Ready.

Compare the SIG Sauer M400 Forge 223 Rem / 5.56 NATO with more Rifles, or browse the full Send It Guns catalog. See the official SIG Sauer site.