Stag Model 5 introduced mid-length gas system as standard across Stag's lineup — a gas system positioned between carbine and rifle length for improved dwell time and reduced felt recoil. The Model 5 was Stag's mid-length M4 carbine with a chrome-lined barrel. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2007, United States Weight: 100.8 oz Overall length: 33" Status: Active Intended use: Home Defense, Recreational Shooting, Law Enforcement