Home / Rifle / SIG SAUER M400 SDI 5.56MM 16″ FDE 30+1 Sale! SIG SAUER M400 SDI 5.56MM 16″ FDE 30+1$1,74999 Original price was: $1,74999.$1,56473Current price is: $1,56473. In stock SIG SAUER M400 SDI 5.56MM 16" FDE 30+1 quantity Add to cart SKU: RM400-SDI-16B-FDE Category: Rifle Product ID: 124166 Description Description Aluminum MLOK HandguardSig Flash Hider CompensatorSig 2-Stage Matchlite Duo Related products Sale! Savage Arms 110 STORM 300WSM SS/SY 24″ DBM $98900 Original price was: $98900.$91763Current price is: $91763. Sale! Savage Arms AXIS II PRECISION 6.5CR 22″ $1,07900 Original price was: $1,07900.$99641Current price is: $99641. Sale! Savage Arms 110 ULTRALITE 30-06 CARBON $1,69900 Original price was: $1,69900.$1,54012Current price is: $1,54012. Sale! Savage Arms 110 LW STORM 7MM-08 SS/SY 20″ $87900 Original price was: $87900.$81090Current price is: $81090.