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SIGM400 TREAD

All the features, all the freedom – none of the compromises

Features

Ambidextrous Controls

Free-Floating M-LOK Handguard

16" Stainless Steel Barrel

Specs

OPERATING SYSTEM
Direct Impingement
CALIBER
5.56 NATO
OVERALL LENGTH
30.8 in (782 mm)
OVERALL WIDTH
2.5 in (64 mm)
HEIGHT
7.5 in (191 mm)
BARREL LENGTH
16 in (406 mm)
WEIGHT
7 lbs (3.2 kg)
TWIST RATE
1:8
MAG TYPE
AR-15

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.

Models

Browse by individual sku to find the right product for you.

Buy Now SKU MSRP CALIBER BARREL LENGTH MAGS INCLUDED MAG TYPE SIGHTS STATE COMPLIANT ACTION TYPE STOCK TYPE BARREL MATERIAL TRIGGER TYPE COLLAPSED/FOLDED LENGTH TRIGGER WEIGHT TWIST RATE FOREND TYPE GRIP TYPE RECEIVER FINISH OVERALL LENGTH OVERALL WIDTH HEIGHT THREADS ACCESSORY RAIL OPERATING SYSTEM WEIGHT
N/A RM400-16B-TRD $951.00 5.56 NATO 16 in (292 mm) (1) 30rd Polymer Mag AR-15 Semi-Auto 6-Position SL-K Carbon Steel Single Stage Polished/Hard-Coat N/A 1:8 Alloy Polymer Hard Coat Anodized 30.8 in (782 mm) 2.5 in (64 mm) 7.5 in (191 mm) 1/2 in - 28 tpi M-LOK Direct Impingement 7 lbs (3.2 kg)

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