The M400 TREAD is an optics ready, aluminum frame rifle. The TREAD features a 16″ stainless steel barrel with a free-floating M-LOK handguard, a single-stage polished/hard-coat trigger, ambidextrous controls, a Magpul(TM) SL-K 6 position telescoping stock, a mid-length gas system, and is available in 5.56 NATO.

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: Threaded Barrel Model
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