The Geissele Super Duty is Geissele Automatics' first complete rifle, built around the same components they supply to US Special Operations Forces. It features a 16-inch cold-hammer-forged barrel, Geissele's MK16 rail, and an enhanced Super Semi-Automatic Enhanced (SSAE) trigger. Type: Semi-Auto Rifle Action: Direct Impingement Caliber: 5.56x45mm Capacity: 30 Year introduced: 2019, USA Weight: 7 oz Overall length: 32.5" Status: Active Military use: Yes Intended use: Duty, Military, Range