About the Sig Sauer M400 ROSE
The SIG M400 is SIG Sauer's direct-impingement AR-15 platform, built with a free-floating M-LOK handguard, SIG Matchlite Duo or TriggerTech trigger and ambidextrous controls. It is a dependable 5.56 NATO rifle for home defense, training and range use.
Key Features
- ROMEO5 GENII red dot with ROSE logo
- Matte rose gold controls, ROSE engraved reduced-angle grip
- Ambidextrous safety and mag release
- Custom ROSE Savior carrying case, rose gold lock, dummy rounds
Specifications
| Caliber | 5.56 NATO |
| Barrel Length | 16" |
| Twist Rate | 1:7 |
| Capacity | 30+1 |
| Magazines | (2) 30-round magazines |
| Finish | Black Anodized (matte rose gold controls) |
| Stock / Brace | 6-Position Magpul MOE-SL, Black |
| Handguard | Free-floating M-LOK Alloy, 10in |
| Optic | ROMEO5 |
| Trigger | SIG 2-Stage Matchlite Duo (flat) |
| Action | Semi-Auto |
| Overall Length | 36.5 in (33.25 in collapsed) |
| Weight | 7.0 lb |
| Part Number | RM400-16B-ROSE-R5X2 |
FAQ
Does it come with an optic?
Yes. It ships with a SIG ROMEO5 installed.
What magazines come with it?
It ships with (2) 30-round magazines.
Where can I buy it?
Order online and ship to your local FFL, or visit Black Bayou Armory in Benton, LA.






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