Sig Sauer RM400556N16BFORGE10 M400 Forge 5.56 NATO 10+1 16" Black Anodized Alloy Receiver w/Picatinny Rail, M-LOK Handguard, Magpul SL-K Black Polymer Stock, Black Polymer Grip, Sig ROMEO MSR Gen II Red Dot

Overview

The Sig Sauer M400 Forge is a semi-automatic AR-15 rifle chambered in 5.56 NATO. Built on a black anodized alloy receiver, the rifle features a 16-inch cold hammer-forged steel barrel with an FNC finish and a 1:7-inch twist rate. It utilizes a mid-length gas system and is equipped with a TriggerTech 3.5-pound two-stage flat blade duty trigger and an ambidextrous charging handle. The rifle includes a 15-inch M-LOK handguard with a full-length Picatinny rail, an adjustable six-position Magpul SL-K black polymer stock, and an ergonomic black polymer grip. Factory-installed sights include the Sig ROMEO-MSR Gen II 2MOA red dot optic. With a 10-round magazine capacity, the rifle has an overall length ranging from 32.25 inches (collapsed) to 35.5 inches (extended), an overall width of 2.7 inches, and weighs 6.8 pounds with the magazine inserted.

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