The Mossberg 940 JM Pro is the updated successor to the 930 JM Pro, featuring a redesigned action with better self-cleaning characteristics, improved reliability over high round counts, and enhanced competition ergonomics. It became the benchmark for competition semi-auto shotguns under $1,000. Type: Semi-Auto Shotgun Action: Gas-Operated Caliber: 12 Gauge Capacity: 9 Year introduced: 2021, USA Weight: 7.75 oz Overall length: 44.5" Status: Active Intended use: 3-Gun Competition, Tactical