Rock Island Rock Ultra in 10mm — enhanced version of the standard RIA 1911 with VZ G10 grips, enhanced beavertail, and improved trigger for the full-size 10mm buyer who wants more than base spec. Type: Pistol Action: Single-Action Caliber: 10mm Auto Capacity: 8 Year introduced: 2021, Philippines Weight: 39 oz Overall length: 8.5" Status: Active Intended use: Home Defense, Hunting, Competition