Magnum Research BFRRIB BFR 410/45 Long Colt Gauge 11.5 Vent Rib Barrel. 5" Vent Rib Barrel - Enhance your BFR .45LC/410 with this vent rib. It is field installable on all BFR's with serial numbers starting with JT. Specifications for Magnum Research BFRRIB BFR 410/45 Long Colt Gauge 11.5" Vent Rib Barrel BFRRIB410: Mfg Item Num: BFRRIB410 Supplier SKU: 04699 Category: EXTRA BARRELS Caliber or Gauge: 410/45 Colt (LC) Length: 11.5" Model: BFR Bore Type: Smooth Finish: Aluminum The Magnum Research BFRRIB BFR 410/45 Long Colt Gauge 11.5" Vent Rib Barrel BFRRIB410 is a quality addition to the Magnum Research lineup. For more great deals on Pistol Barrels by Magnum Research please browse our Magnum Research Gun Parts page.