RM400-16B-TRD-COIL 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 M400 Tread Coil 223/5.56 NATO 16″ SS Barrel, Magpul SL-K Telescoping Stock $1,199.99 Original price was: $1,199.99.$1,079.99Current price is: $1,079.99. Add to cart