Sig Sauer

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.