: 4.71" Showing all 2 results 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 STOCKFN 510 MRD 10mm, 4.71″ Threaded Barrel, Black, Picatinny Rail, 10rd $819.00 Original price was: $819.00.$458.64Current price is: $458.64. Add to cart Sale! IN STOCKFN 510 MRD 10mm, 4.71″ Threaded Barrel, Flat Dark Earth, 10rd $819.00 Original price was: $819.00.$458.64Current price is: $458.64. Add to cart