CVA Accura LR-X 45 Caliber Flat Dark Earth Cerakote/Black Nitride Break Action In-Line Muzzleloader - 30in - The Accura LR-X (Long Range) is a longer barreled Accura muzzleloader, featuring a 30in Nitride treated stainless steel threaded Bergara Barrel. The LR-X is designed for the hunter that wants the extra velocity that longer barrels provide, making longer range shots a bit less difficult due to decreased drops. VariFlame ignition.