- MANUFACTURER: SIG SAUER
- FAMILY: SIGM400 Series
- MODEL: M400 Tread
- TYPE: Rifle
- ACTION: Semi-Auto
- CALIBER/GAUGE: 223 Rem | 5.56 NATO
- FINISH: Black
- FINISH TYPE: Black
- STOCK/GRIPS: Magpul SL-K Telescoping Stock
- BARREL: 16″
- RATE-OF-TWIST: 1-in-8″
- CAPACITY: 30
- # OF MAGAZINES: 1
- MAG DESCRIPTION: 30 rd.
- SIGHTS: None
- THREAD PATTERN: 1/2×28
- SPECIAL FEATURE: Threaded Barrel
- WEIGHT: 7 lbs.
- SHIPPING WEIGHT: 9.9 lbs.
- ADDL INFO: Free-Floating M-LOK Handguard
- ADDL INFO: Ambidextrous Controls
- ADDL INFO: Mid-Length Gas Sytem
- MFG MODEL NO: RM400-16B-TRD
- UPC: 798681597765
