Rock Island TAC Ultra Mid-Size 10mm with 4.25-inch Commander-length barrel and mid-size frame — an intermediate size between full-size and compact for the 10mm 1911 buyer. Type: Pistol Action: Single-Action Caliber: 10mm Auto Capacity: 8 Year introduced: 2019, Philippines Weight: 35 oz Overall length: 8" Status: Active Intended use: Home Defense, Concealed Carry