Out of stock
SKU: SGRM400-SDI-16B-MSGRN
UPC: 798681701216
MPN: RM400-SDI-16B-MSGRN
The SIG Sauer M400 SDI 5.56 NATO 16" 30-Round Cerakote Rifle is designed for law enforcement patrol, military training, and civilian tactical applications where reliability and modularity are essential. This rifle is chambered in 5.56 NATO, delivering proven ballistic performance suitable for various operational environments.
Engineered for shooters who demand a combat-ready AR platform, the M400 SDI features a 16-inch barrel that balances velocity and overall length, making it ideal for vehicle transport and close-quarters scenarios. The Cerakote finish applied to the barrel and upper receiver enhances corrosion resistance, making it suitable for use in humid or coastal environments.
With a 30-round magazine capacity, this rifle aligns with standard military doctrine, ensuring compatibility with issued ammunition supplies. The M400 SDI is built for those who require a reliable and efficient firearm for both training and operational use.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
SIG SAUER
