SIGM400,TREAD V2,5.56,RIFLE,16IN,30RD

The M400 TREAD comes ready for the range and ready to be customized.  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.