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Sig Sauer

SIGM400, 5.56 NATO, RIFLE, 16IN, FORGE, MOSS GREEN, SEMI, ROMEO-MSR GEN II, TELE STOCK, AL MLOK HG, (1) 30RD MAG

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SKU: RM400556N16BFORGEMSGRN
Model: M400
UPC: 798681744206
$1,128.99
$1,199.99
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  • Product Details

Product Overview

The SIGM400 5.56 NATO Rifle combines a 16-inch barrel platform with a modern optic configuration and an ergonomic tele stock. Finished in Moss Green, the rifle is built for semi-automatic operation and includes an AL M-LOK handguard and a 30-round magazine.

Key Features

  • Caliber: 5.56 NATO
  • Action: Semi-automatic
  • Barrel Length: 16 in
  • Finish/Color: Moss Green
  • Handguard: AL M-LOK HG
  • Optics: ROMEO-MSR GEN II
  • Stock: TELE STOCK
  • Included Magazine: (1) 30RD MAG
  • Model: SIGM400

Specifications

  • Product Type: Rifle
  • Firearm Configuration: Semi
  • Barrel Configuration: 16IN
  • Handguard System: AL M-LOK HG
  • Optic Model: ROMEO-MSR GEN II
  • Stock Model: TELE STOCK
  • Magazine Capacity: 30 rounds

Benefits

The 16-inch 5.56 NATO configuration supports consistent performance while the ROMEO-MSR GEN II optic provides a focused aiming interface. The AL M-LOK HG enables modular mounting for accessories, and the TELE STOCK supports rapid adjustment for comfortable, repeatable positioning.

Use Cases

  • Precision-focused target shooting
  • Range sessions requiring a ready-to-mount optic
  • Training drills using a semi-automatic 5.56 NATO rifle
  • Accessory-equipped setups leveraging M-LOK mounting

Why Choose This Model

The SIGM400 package delivers a complete, configured rifle with a 16-inch barrel, ROMEO-MSR GEN II optic, TELE STOCK, AL M-LOK handguard, and a 30-round magazine in a Moss Green finish.

Specifications

ManufacturerSig Sauer
Pricing UnitGN
ModelM400
UPC798681744206
SKURM400556N16BFORGEMSGRN
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