RMCX-5B-TAP-SBR 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 MCX Rattler SBR 5.56/.223, 5.5″ Barrel, 30rd, PDW Stock, Black, All NFA Rules Apply $2,499.99 Original price was: $2,499.99.$1,574.99Current price is: $1,574.99. Add to cart