Home / Rifle / SIG SAUER M400 SDI 5.56MM 16″ FDE 30+1 View cart “Christensen Arms SUMMIT TI 6.5PRC CRBN TBHL 24″” has been added to your cart. 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 CLASSIC 243WIN BL/WD 22″ $1,12900 Original price was: $1,12900.$1,04851Current price is: $1,04851. Sale! Savage Arms 110 HUNTER 243WIN BL/SYN 22″ $87900 Original price was: $87900.$81090Current price is: $81090. Sale! Savage Arms 110 ULTRALITE 30-06 CARBON $1,69900 Original price was: $1,69900.$1,54012Current price is: $1,54012. Sale! Winchester XPR SPORTER 350LEG BL/WD 22″ $71999 Original price was: $71999.$66125Current price is: $66125.