semi auto handguns,Sig Sauer,P556XI-10B-S-PSB,Each View cart “Sig 556xi Pistol 5.56/223 10 Barrel Aluminum Handguard Flip Sights 30 Rd Mag” has been added to your cart. Showing the single result 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 556xi Pistol 5.56/223 10 Barrel Aluminum Handguard Flip Sights 30 Rd Mag $1,549.09 Original price was: $1,549.09.$1,394.18Current price is: $1,394.18. Add to cart