Home / Rifle / SIG SAUER M400 SDI 5.56MM 16″ BLK 30+1 Sale! SIG SAUER M400 SDI 5.56MM 16″ BLK 30+1$1,64999 Original price was: $1,64999.$1,55964Current price is: $1,55964. In stock SIG SAUER M400 SDI 5.56MM 16" BLK 30+1 quantity Add to cart SKU: RM400-SDI-16B-P Category: Rifle Product ID: 52118 Description Description Fluted Competition BarrelSIG Flatblade Match TriggerHybrid Compensator/Flash Hider Related products Sale! Barrett Firearms MRAD 300WIN BLK 26″ 10+1 MLOK $6,65000 Original price was: $6,65000.$6,45755Current price is: $6,45755. Sale! Barrett Firearms MRAD 300PRC BLK 26″ 10+1 MLOK $6,65000 Original price was: $6,65000.$6,45755Current price is: $6,45755. Sale! Weatherby VANGUARD BADLANDS 300WBY 26″ # $89900 Original price was: $89900.$82250Current price is: $82250. Sale! Weatherby MARK V WEATHERMARK LT 6.5RPM # $2,09900 Original price was: $2,09900.$1,96910Current price is: $1,96910.