The Rock Island Armory 1911 series is a product line of single-action recoil operated semi-automatic pistols.

[2] RIA (Rock Island Armory) 1911s are derivatives of the US Military G.I.

[3] Most RIA models are targeted at the low-end price point of the 1911 pistol market and are basic entry-level MIL-SPEC versions of the 1911.

The general specifications for Rock Island Armory 1911 pistols are:[5] The Compact model features a skeletonized hammer and beavertail grip safety, while the Tactical model adds a target-grade hammer and trigger, as well as an ambidextrous safety and enhanced contrast iron sights.

Variants of Rock Island Armory 1911 pistols include:[2][8][5] 16 round (10mm Auto)