SIG M400 for Sale
Browse sig m400 listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The SIG M400 is a modern AR-style rifle introduced by SIG Sauer as a reliable, versatile platform. Designed for durability and performance, it supports various tactical and sporting uses. Today, it holds a strong position in the civilian and law enforcement markets.
Why It's a Top Choice
- Robust SIG Sauer quality and manufacturing
- Interchangeable barrels and calibers
- Lightweight yet durable construction
- MODULAR design for user customization
- Widely available aftermarket accessories
Key Variants
SIG M400 Tread
Modern sporting rifle popular for its versatility and modular features for new shooters and tactical users.
SIG M400 Enhanced
Upgraded model with improved accuracy components, ideal for competition and duty use.
SIG M400 Predator
Designed for hunting, featuring a longer barrel and enhanced range capabilities.
Competitor Comparison Table
| Feature | Sig M400 | Ruger AR-556 | Smith & Wesson M&P15 |
|---|---|---|---|
| MSRP | $800–$1200 | $700–$900 | $900–$1200 |
| Capacity / Size | 30 rounds / 16–18\" barrels | 30 rounds / 16\" barrel | 30 rounds / 16\" barrel |
| Weight | 7.5 lbs | 6.9 lbs | 6.9 lbs |
| Optics-Ready | Yes (Picatinny rail) | Yes | Yes |
| Trigger Type | Standard mil-spec | Standard mil-spec | Enhanced mil-spec |
| Notable Pro | Strong build quality | Affordability | Factory upgrades |
| Notable Con | Higher MSRP | Slightly heavier | Less modular |
Best Use Cases
- Home defense and personal protection
- Law enforcement and duty use
- Sport shooting and competition
- Hunting medium-sized game (Predator variant)
- Range training and tactical drills
FAQs
Can I customize the SIG M400 with aftermarket parts?
Yes, the M400's modular design supports numerous aftermarket barrels, rails, and accessories for personalizing performance and appearance.
What is the standard caliber of the SIG M400?
The SIG M400 typically chambers 5.56 NATO/.223 Remington, which is standard for AR-style rifles.
How does the SIG M400 compare to typical AR-15 models?
It offers similar reliability and versatility with SIG Sauer's quality controls and enhanced fitting for improved durability.
Prefer nearby results? Toggle to search local listings.
Sig Sauer M400 Tread Predator 5.56 16"
$1,099.00
Sig Sauer M400 (RM400-16B-ROSE-R5X2) Ros
$1,429.99
Sig Sauer M400 Rose (RM400-16B-ROSE-R5-2
$1,499.99
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