Outfitters Score™
Excellent
Sig Sauer, Inc. scores as a top-tier build with excellent value pricing and most components included.
Our proprietary rating combines brand tier, price percentile within the caliber, feature completeness, barrel versatility, retailer availability, caliber practicality, and use-case fit.
Description
The M400 TREAD features a free-floating M-LOK enhanced handguard that is lightweight yet rigid for extreme control and ease of mounting accessories such as lights and handstops. The lower receiver has an ambidextrous safety for right or left-handed operation and includes an integrated QD mount for easy sling attachment. Chambered in 5.56 NATO, the M400 TREAD has a 16" stainless steel barrel offering extreme durability and corrosion resistance while improving accuracy. The barrel is also fitted with a 3-prong flash hider and has an extremely versatile 1:8 twist rate. The M400 TREAD also has a mid-length gas system offering smoother operation and reduced recoil. The new M400 TREAD inc Mfg: Sig Sauer, Inc.
Features
Free Float|M Lok|Ambidextrous|Ambi
Full Specifications
Overview
| Brand | Sig Sauer, Inc. |
| Model | RM400-16B-TRD-V2CON |
| SKU | 430114715 |
| Rifle Type | semi auto |
| Platform | AR15 |
| Caliber | 5.56 NATO |
| Chamber | 5.56 NATO |
| UPC | 798681698233 |
Barrel
| Barrel Length | 16" |
| Barrel Finish | stainless |
| Barrel Profile | lightweight |
| Twist Rate | 1:8 |
Gas System
| Gas System Length | mid-length |
Receiver
| Forward Assist | No |
| Dust Cover | No |
Handguard
| Handguard Type | m-lok |
| Free Float | Yes |
Muzzle
| Muzzle Device | flash-hider |
| Suppressor Ready | Yes |
Sights & Optics
| Optic Ready | No |
Dimensions & Weight
| Magazine Capacity | 30 rounds |
Compliance
| CA Compliant | No |
| Classification | Rifle |
| NFA Item | No |
What's Included (Complete Rifle)
This is a complete, ready-to-shoot firearm.
Upper Receiver
Lower Receiver
Barrel
16"
Bolt Carrier Group
Handguard
m-lok, Free Float
Stock
Grip
Trigger
Muzzle Device
flash-hider
Charging Handle
Gas Block
Gas Tube
mid-length-length
Buffer Tube
Backup Iron Sights
Optic
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Manufacturer · Tier 1
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Build Guide
See our Suppressor-Ready Build→
State Check
This rifle has NFA or magazine considerations →
Swiss-origin firearms giant. The M400 and MCX platforms compete in the premium space, and Sig won the US Army NGSW rifle contract with the XM7.
View brand profile →M400 Tread 2.0 5.56x45 Nato Semi-Auto Rifle - M400 Tread 2.0 5.56x45 Nato 16" Bbl (1)30rd Mag Concrete
RM400-16B-TRD-V2CON
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