The Remington 700 UML .45 is a smaller-bore variant of the 700 Ultimate Muzzleloader, chambered in .45 caliber to take advantage of high-BC saboted projectiles at the higher velocities the 700 UML ignition system enables. The .45 caliber extends effective range compared to .50 caliber with the same powder charge. Type: Rifle Action: Single Shot Caliber: .45 Cal Capacity: 1 Year introduced: 2015, USA Weight: 144 oz Overall length: 46" Status: Active Intended use: hunting, long range, muzzleloader