Sig Sauer View cart “Sig MCX Rattler, Semi-automatic Pistol, 300 Blackout, 5.5″ Barrel, Black, No Brace, 30rd” has been added to your cart. Showing the single result Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sig MCX Rattler, Semi-automatic Pistol, 300 Blackout, 5.5″ Barrel, Black, No Brace, 30rd $2,499.99 Add to cart