Sig Sauer M400 Forge with ROMEO-MSR Gen II 5.56mm NATO 16in Anodized Semi Automatic Modern Sporting Rifle - 10+1 Rounds
$999.99
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$999.99
Overview
Sig Sauer M400 Forge with ROMEO-MSR Gen II 5.56mm NATO 16in Anodized Semi Automatic Modern Sporting Rifle - 10+1 Rounds -
The SIG SAUER M400-FORGE is a premium 5.56mm NATO rifle built for shooters who value reliability, accuracy, and modern performance. Featuring a 16in cold hammer forged barrel and a mid-length gas system, it delivers smooth cycling, long-lasting durability, and dependable operation across a variety of shooting conditions.
Equipped with performance-driven upgrades right out of the box, the M400-FORGE includes a TriggerTech 3.5lbs two-stage flat blade duty trigger for a clean, consistent break and enhanced control. The included ROMEO-MSR Gen II red dot optic provides fast target acquisition and confident aiming from the start.
A free-floating M-LOK handguard offers ample space for accessories while improving handling and accuracy. Additional features like the ambidextrous charging handle and MAGPUL SL-K adjustable stock enhance comfort, customization, and versatility for a wide range of shooting applications.
Backed by SIG SAUER’s reputation for innovation and durability, the M400-FORGE is covered by the SIG Infinite Guarantee—a fully transferable lifetime warranty supporting every firearm they produce.
- TriggerTech 3.5 pound two-stage flat blade duty trigger
- 16in cold hammer forged barrel with mid-length gas system
- ROMEO-MSR Gen II 2 MOA red dot included
- Full-length free-floating M-LOK handguard
- Ambidextrous charging handle
- MAGPUL SL-K 6-Position adjustable stock
Specifications
| Capacity | 10+1 |
|---|---|
| Barrel Length | 16in |
| Finish | Anodized |
| Stock | 6-Position Magpul SL-K |
| Sights | ROMEO-MSR GEN II w/2 MOA DOT |
| Weight | 6.8lbs |
| Action | Semi Automatic |
| Cartridge | 5.56mm NATO |
| Color | Black |
| Grips | Reduced Angle |
| Gun Model | M400 |
| Overall Length | 35.5in |
| Product Line | Forge |
| Thread Pitch | 1/2 x 28 |
| Twist | 1:7in |
| Type | Centerfire |

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