The Q Professor is a 6mm ARC semi-automatic rifle with a 16-inch barrel, chambered in Hornady's 6mm Advanced Rifle Cartridge designed for AR-15 pattern bolt and barrel assemblies. The Professor uses Q's lightweight AR-15 lower with 6mm ARC-optimized bolt and barrel, providing long-range performance in a standard-length AR package. Q's typical lightweight construction and proprietary stock are standard. Type: Semi-Auto Rifle Action: Semi-Automatic Caliber: 6mm ARC Capacity: 26 Year introduced: 2022, USA Weight: 58 oz Overall length: 33" Status: Active Intended use: precision_rifle, long_range, range