The Sig M400 Tread and Riflescope package includes a factory mounted 3.5-10X42mm Sierra3 BDX riflescope with 8 on board Smart BDCS. The Tread features a free floating M-LOK handguard, mid-length gas system, ambidextrous controls, Sig enhanced trigger, 6-position SL-K stock and a black polymer grip. The Sierra3 BDX is mounted with Alpha rings.
| UPC | 798681639823 |
| Caliber | 223 REM/5.56MM NATO |
| Action | SEMI AUTO |
| Capacity | 30+1 ROUNDS |
| Barrel Length | 16″ BARREL |
| Weight | 7 LBS. |
