Description
The Sig Sauer M400 SDI 5.56 NATO Semi-Auto Sentry Rifle Package is an affordable solution for home/personal defense, advanced training, or recreational shooting. This ready-to-go package combines the proven capabilities of the M400-SDI X platform with a multi-purpose red dot sight and light. The ROMEO5 GENII red dot provides over 40,000 hours of estimated runtime, while the FOXTROT-MSR Full Size Light offers 1,250 Lumens and 33,000 Candela for clear illumination in low-light conditions. Fast shipping ensures you get this package quickly, so you can start shooting with confidence. The M400-SENTRY is designed to meet the highest standards of reliability and performance, making it a great choice for shooters of all levels. With its pre-installed accessories and standardized features, this rifle is an out-of-the-box solution for any shooting need.
Product Features and Specifications:
- Manufacturer: Sig Sauer
- Model/Series: M400 SDI
- Caliber/Gauge: 5.56x45mm NATO
- Capacity: 30
- Action: Semi-Auto
- Operating System: Mid-Length Direct Impingement
- Sight: ROMEO5 GENII Installed
- Accessory Rail: M-LOK/Picatinny, ROMEO5 GEN II, FOXTROT-MSR FULL SIZE
- Barrel Length: 16″
- Barrel Material: Chrome Moly Steel
- Twist Rate: 1:7
- Thread Pattern: 1/2×28″
- Stock Material: Synthetic
- OAL: 36.5″
- Weight: 8 lbs









