SIG M400 TREAD

DETAILS

The M400 TREAD is an optics ready, aluminum frame rifle.  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.

 

The TREAD branded accessories include:

- M-LOK handguard with lightening cuts to reduce weight, available in 13” and 15” lengths;

- 3 chamber compensator;

- 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.

Specification

Mag Type	AR-15
Barrel Length	16 in (406 mm)
Caliber	5.56 NATO
Height	7.5 in (191 mm)
Overall Length	30.8 in [782 mm]
Overall Width	2.5 in [64 mm]
Twist Rate	1:8
Weight	7 lbs (3.2 kg)
Operating System	Direct Impingement