Sig M400 TREAD with FREE Romeo-MSR Package 5.56 NATO 16" Barrel Mid-Length Gas System Free-Float MLOK Handguard Adjustable Stock AR-15

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.