you may want to look into a tradition firearms muzzleloader called the striker fire ldr long distance rifle has a 30" barrel with a traditions range finding scope will run you between 550 to 650 i have one & took a nice buck out@ 285 yrds & ran less than 30 yrds. look at one @ muzzle-loaders.com or on line @ traditions.com hope that helps. took a nice doe yesterday@ 150 yrds & never ran