Sig Sauer M400 Tread 5.56mm Semi-Automatic Rifle with Sierra3 3.5-10x42mm BDX Riflescope

The M400 TREAD BDX rifle comes with a factory mounted SIG 3.5-10x42mm SIERRA3 BDX riflescope. 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 SL-K 6 position telescoping stock, a mid-length gas system, and is available in 5.56 NATO.

This limited offering from Sig Sauer includes a factory mounted 3.5-10x42mm Sierra3 BDX Riflescope with 8 on board smart BDCs. Other features include a free-floating M-LOK Handguard, 6-Position Adjustable Stock, Ambidextrous Controls, and a Precision 16″ barrel.