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 Christensen Arms MESA LR 6.5CR TUNG/BLK 26″ $1,64999 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 AXIS II XP 270WIN FDE 22″ PKG# $54900 Original price was: $54900.$45757Current price is: $45757. Sale! Savage Arms 110 APEX HUNT XP 300WSM 24″PKG $72900 Original price was: $72900.$61424Current price is: $61424.