Home / NFA - Short Barrel Rifle / SIG SAUER MCX RATTLER LT 5.56 SBR 7.75″ Sale! SIG SAUER MCX RATTLER LT 5.56 SBR 7.75″$2,94999 Original price was: $2,94999.$2,79981Current price is: $2,79981. In stock SIG SAUER MCX RATTLER LT 5.56 SBR 7.75" quantity Add to cart SKU: RMCX-556N-7B-LT-SBR Category: NFA - Short Barrel Rifle Product ID: 102730 Description Description M-LOK Aluminum HandguardFully Ambidextrous Controls Related products Sale! POF USA RENEGADE+ DI SBR 556 10.5″ BLK $2,08300 Original price was: $2,08300.$1,90670Current price is: $1,90670. Sale! Bushmaster BRAVO ZULU SBR 5.56 11.5″ 30+1 $1,12395 Original price was: $1,12395.$1,06731Current price is: $1,06731. Sale! SIG SAUER MCX RATTLER LT 762X39 SBR 7″ $2,94999 Original price was: $2,94999.$2,79981Current price is: $2,79981. Sale! LWRC IC NINE 9MM BLK 8.5″ 27+1 SBR $1,99900 Original price was: $1,99900.$1,81271Current price is: $1,81271.