Sig Sauer RM400SDI16BMSGRN M400 SDI-X 5.56 NATO 30+1 16″ Black Threaded Barrel Moss Green Cerakote Picatinny Rail Aluminum Receiver M-LOK Handguard 6 Position Magpul SL Black Synthetic Stock Reduced Angle Grip Ambidextrous

The M400-SDI X was designed to meet the highest standards of performance and reliability. From the rifle’s full suite of ambidextrous controls to its proven mid-length gas system. Features fully Ambi Controls- safety charging handle bolt Catch & mag release; 2-Stage Matchlite Duo trigger; free floating M-LOK; mid-length direct impingement operating system and 6 position Magpul SL stock.

Brand	Sig Sauer
Category	Tactical Rifles
Series	SDI-X
Model	M400
Caliber	5.56 NATO
Barrel Length Range	16″ to 16.99″
Gun Platform	AR-Style
Operating System	Direct Impingement
Stock Finish Group	Black
Capacity	30+1
Stock Material	Synthetic
Action	Semi-Auto
OAL	33.25′ – 36.50″
Hand	Ambidextrous
Sights	None
Barrel Finish	Black
Barrel Material	Chrome Moly Steel
Muzzle	Sig Flash Hider-Compensator
Twist	1:7″
Receiver Description	Picatinny Rail
Magazine Type	AR-15
Grips	Reduced Angle
Handguards	M-LOK
Height	7.10″
Receiver Material	Aluminum
Safety	Lever
Thread Pattern	1 / 2″x28
Width	2.80″
Stock Description	6 Position Magpul SL
Barrel Description	Threaded
Barrel Length	16″
Max Capacity	30
Receiver Finish	Moss Green Cerakote
Trigger	Sig Two-Stage Matchlite Duo
Weight	7 lbs
Stock Finish	Black
Handguard Finish	Moss Green

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