14.5-inch Super Duty with permanently attached muzzle device to meet minimum barrel length, replicating the M4 Carbine form factor. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2020, USA Weight: 62.5 oz Overall length: 32.5" Status: Active Military use: Yes Intended use: Military, Law Enforcement