RMCX-300B-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 300 Blackout, 5.5″, Minimalist Stock, Alum M-LOK HG, 1x30rd All NFA Rules Apply $2,499.99 Original price was: $2,499.99.$1,574.99Current price is: $1,574.99. Add to cart