SIGM400 TREAD | SIG SAUER

M400 TREAD 1.0

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

Models

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

Availability
SKU
BARREL LENGTH (IN)
MAGS INCLUDED
MAG TYPE
STATE COMPLIANT
STOCK TYPE
BARREL MATERIAL
TRIGGER TYPE
TRIGGER SHAPE
FOREND TYPE
GRIP TYPE
RECEIVER FINISH
OVERALL LENGTH
OVERALL WIDTH
HEIGHT
ADJUSTABLE GAS SYSTEM
WEIGHT
COLLAPSED LENGTH
COLLAPSED LENGTH
FOLDED LENGTH
Buy Now
RM400-16B-TRD
5.56 NATO
16.0
(1) 30rd Polymer Mag
Semi-Auto
6-Position SL-K
Stainless Steel
Single Stage Polished/Hard-Coat
Curved
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
Yes
Direct Impingement
7 lbs (3.2 kg)
Buy Now
RM400-16B-TRD-CO
5.56 NATO
16.0
(1) 10rd Polymer Mag
AR-15
Colorado
Semi-Auto
6-Position SL-K
Stainless Steel
Single Stage Polished/Hard-Coat
Curved
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
Yes
Direct Impingement
7 lbs (3.2 kg)
Buy Now
RM400-16B-TRD-CA
5.56 NATO
16.0
(1) 10rd Polymer Mag
AR-15
California
Semi-Auto
Fixed
Stainless Steel
SIG Enhanced
Curved
1:8
Alloy
Polymer
Hard Coat Anodized
30.8 in (782 mm)
2.5 in (64 mm)
7.5 in (191 mm)
N/A
M-LOK
Yes
Direct Impingement
7 lbs (3.2 kg)
Buy Now
RM400-16B-TRD-SB
5.56 NATO
16.0
(1) 30rd Polymer Mag
AR-15
Semi-Auto
6-Position SL-K
Stainless Steel
Single Stage Polished/Hard-Coat
Flat
1:8
Alloy
Polymer
30.8 in [782 mm]
2.5 in [64 mm]
7.5 in (191 mm)
1/2 in - 28 tpi
M-LOK
Yes
Direct Impingement
7 lbs (3.2 kg)
Details
Reviews
Details

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.

 

Other TREAD branded accessories (purchased separately) 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
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
Reviews
Compare Products
Items
Launch Compare

Zip Code Verification

Some states have legal restrictions for the purchase of items so we need to ask for your location.

Age Verification

Some products have purchase restrictions for those under the age of 21, please verify your age.