Sig Sauer M400 SDI XSeries 5.56 NATO 16" 30-Round Rifle FDE
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Specifications
Description
The Sig Sauer M400 SDI XSeries is a semi-automatic AR-15 pattern rifle chambered for 5.56x45mm NATO and .223 Remington. It is built for both competitive and defensive use, with a flat-top upper receiver that accepts the optic of the shooter's choice.
The rifle has a 16-inch barrel with a 1-in-7 twist rate and a 1/2x28 thread pattern for suppressors or muzzle devices. A Sig Flash Hider Compensator is included. The Sig 2-Stage Matchlite Duo trigger and ambidextrous safety suit right- and left-handed shooters. The aluminum M-LOK handguard provides modular attachment points. The Flat Dark Earth Cerakote finish is paired with a collapsible Magpul SL stock.
The rifle ships with one 30-round polymer magazine and has an overall length of 36.5 inches and a weight of 7 pounds.
- Caliber: 5.56x45mm NATO, .223 Remington
- Action: Semi-Auto
- Barrel Length: 16 in
- Overall Length: 36.5 in
- Capacity: 30 rounds (1 magazine included)
- Weight: 7 lbs
- Sights: None (Optics Ready)
- Thread Pattern: 1/2x28
