52 caliber version of the Knight Disc Extreme inline muzzleloader using Knight's proprietary disc ignition system. Optimized for Knight's own line of 52-caliber conical bullets. Adjustable trigger, stainless barrel, and thumbhole synthetic stock. Type: Rifle Action: Single-Shot Caliber: 52 Cal Capacity: 1 Year introduced: 2004, USA Weight: 112 oz Overall length: 43" Status: Active Intended use: hunting, elk