Sig Sauer M400 Showing all 4 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKSig M400 Classic 5.56/223 16 Barrel Black Non-Telescoping Stock 10rd – MA/NJ/NY Compliant $947.79 Original price was: $947.79.$597.11Current price is: $597.11. Add to cart Sale! IN STOCKSig Sauer M400 SDI 5.56x45mm, 11.5″ Threaded Barrel, Black, M-Lok Handguard, 30rd $1,499.99 Original price was: $1,499.99.$839.99Current price is: $839.99. Add to cart Sale! IN STOCKSig Sauer M400 Tread V2 223 Remington/5.56mm, 16″ Barrel, Moss Green Cerakote, 30rd $1,199.99 Original price was: $1,199.99.$671.99Current price is: $671.99. Add to cart Sale! IN STOCKSig Sauer M400 Tread V2 223 Remington/5.56x45mm, 16″ Barrel, Black, M-Lok Enhanced Handguard, 30rd $999.99 Original price was: $999.99.$559.99Current price is: $559.99. Add to cart