Product Overview
The M400 TREAD features a free-floating M-LOK enhanced handguard that is lightweight yet rigid for extreme control and ease of mounting accessories such as lights and handstops. The lower receiver has an ambidextrous safety for right or left-handed operation and includes an integrated QD mount for easy sling attachment. The M400 TREAD features a stainless steel barrel offering durability and corrosion resistance while improving accuracy; 3-prong flash hider; 1:8 twist rate; mid-length gas system; SIG Matchlite 2-stage trigger; MAGPUL SL-K telescoping stock for easy adjustment and a customized fit.
| Brand | Sig Sauer |
| Category | Tactical Rifles |
| Series | Tread |
| Model | M400 |
| Caliber | 5.56 NATO |
| Barrel Length Range | 16" to 16.99" |
| Gun Platform | AR-15 Style |
| Stock Finish Group | Black |
| Capacity | 30+1 |
| Stock Material | Synthetic |
| Action | Semi-Auto |
| OAL | 30.80" |
| Hand | Ambidextrous |
| Sights | None |
| Barrel Finish | Stainless |
| Barrel Material | Stainless Steel |
| Muzzle | 3 Prong Flash Hider |
| Twist | 1:8" |
| Receiver Description | Picatinny Rail |
| Grips | Black Polymer |
| Handguards | M-LOK |
| Receiver Material | Aluminum |
| Safety | Ambidextrous |
| Stock Description | Magpul SL-K |
| Barrel Description | Stainless Steel |
| Barrel Length | 16" |
| Max Capacity | 30 |
| Receiver Finish | Black Hardcoat Anodize |
| Trigger | Two Stage Match |
| Weight | 7 lbs |
| Stock Finish | Black |