Sig Sauer M400 Tread Blade 5.56NATO 11.5″ Barrel 30+1

The M400 TREAD pistol is an optics ready, aluminum receiver rifle caliber pistol. The TREAD pistol features a 11.5” Nitride Coated barrel with a free-floating M-LOK handguard, a single-stage polished/hard-coat trigger, ambidextrous controls, a Shockwave Blade multi position pistol brace, and is available in 5.56 NATO.

The TREAD branded accessories include:

• M-LOK handguard with lightening cuts to reduce weight, available in 11.5”;
• Ambidextrous charging handle made of aircraft grade aluminum and a dual roll pin design;
• ROMEO5 optic featuring a 2MOA dot with ten illumination settings, MOTAC, and 50k battery life;
• Flip-up front and rear iron sights that are easy to install, adjustable, and deploy quickly;
• M-LOK front sight adapter with co-witness height made of lightweight aluminum;
• Multiple configurations of M-LOK grip kits made of high strength polymer;
• Factory upgraded flat blade, single stage trigger.