SIG SAUER M400 TREAD V2 5.56 NATO 16″ Moss Green
Specs at a glance
About this product
The SIG SAUER M400 TREAD V2 is a 16-inch modern sporting rifle chambered in 5.56 NATO/.223 Remington designed for range use, training, and general-purpose precision-oriented shooting. It features a free-floating M-LOK enhanced handguard and a stainless steel barrel finished for durability. Controls are ambidextrous where noted, and the rifle ships with a 30-round detachable magazine for extended drills and range sessions. The platform is optics-ready and accepts common AR-pattern accessories for mission-focused customization.
Key Specifications
- The rifle is chambered in .223 Rem / 5.56 NATO.
- The barrel measures 16 inches and is stainless steel.
- The barrel has a 1:8 twist rate.
- The gas system uses a mid-length configuration.
- The handguard is a free-floating M-LOK enhanced design for accessory mounting.
- The trigger is a SIG Matchlite 2-stage unit.
- The stock is a Magpul SL-K telescoping type for adjustable length of pull.
- The muzzle is fitted with a 3-prong flash hider.
- The rifle ships with one 30-round removable magazine.
- Controls include an ambidextrous safety and QD sling attachment points on the lower receiver.
Purpose-built for shooters who value durability, modularity, and consistent performance, the M400 TREAD V2 combines a corrosion-resistant stainless barrel, a lightweight M-LOK handguard and a two-stage match-style trigger to deliver a stable, customizable shooting platform. Its optics-ready upper and common AR interface make it straightforward to tailor the rifle to range, competition, or tactical-focused training applications without compromise.
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Key attributes
| upc | 798681688012 |
| manufacturer | SIG SAUER |
| manufacturer part number | RM40016BTRDV2G |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel length | 16" |
| caliber/gauge | .223 REM/5.56 NATO |
| capacity | 30 + 1 |
| color | GREEN |
| length | 34.4500 |
| product type | AR |
| safety | Ambidextrous |
| shipping weight | 8.5 |
| sights | No |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
| magazine included | 1 x 30-Round |
| model | M400 |
| number of magazines | 1 30 rd. |
| package height | 2.8 |
| package width | 9.0 |