The M400 TREAD pistol is optics ready and features an aluminum frame pistol. It has a carbon steel nitride finished barrel with a free-floating M-LOK handguard, a single-stage polished/hard-coat trigger, ambidextrous controls, a Blade 2.0 Pistol Brace stock and a mid-length gas system.
Brand: Sig Sauer
Category: Tactical Pistols
Caliber: 5.56 NATO
Model: M400
Series: Tread
Stock Finish: Black
Action: Semi-Automatic
Sights: None, Optic Ready
Capacity: 30+1
Grips: Black Polymer
Handguards: M-Lok
Metal Finish: Black Hardcoat Anodized
OAL: 27.00"
Receiver Material: Aluminum
Stock Description: Blade 2.0 Pistol Brace
Stock Material: Synthetic
Trigger Type: Single-Stage
Twist: 1:7"
Weight: 6.00 lbs
Barrel Description: Carbon Steel
Barrel Length: 11.50"
The Romeo-MSR is sealed compact red dot sight intended for MSR, carbine, shotgun and air rifle. Brightness is adjusted with a top-mounted dial, featuring 10 daytime and 2 night vision settings for quick target engagement in any condition.
Features
High-performance lens coatings for excellent light transmission and dot contrast in any situation
Ultra-compact size and weight with unlimited eye-relief and parallax-free operation
Precise 2 MOA dot
Slipover, see-through flip-backs
1.41" T10 Torx M1913 Skeletonized lightweight Riser Mount for absolute co-witness
Top loading battery compartment with integral brightness control featuring 10 daytime and 2 night vision settings
Over 20,000 hours runtime on a CR1632 battery
Aircraft grade aluminum housing and mount
Dependable IPX-7 waterproof and fog-proof performance
Specifications
Magnification: 1x
Objective Lens Diameter: 20mm
Adjustable Increments: 0.5 MOA
Total Elevation Travel: 100 MOA
Total Windage Travel: 100 MOA
Overall Length: 3.1 in
Overall Width: 1.5 in
Height: 2.6 in
Weight: 4.9 oz
Reticle: 2 MOA Dot
Reticle Color: Red
Waterproofing: IPX 7
Battery: (1) CR1632
Run Time: 20,000 hrs
Mount Type: 1.41" T10 Torx M1913
Color: Black 
