Ruger Mark IV grips
Ruger Mark IV grips
The Ruger Mark IV, an iconic .22 LR pistol, traces its roots to 1949 when Bill Ruger and Alexander Sturm founded Sturm, Ruger & Co. Inspired by WWII Nambu pistols and Luger aesthetics, Ruger designed an affordable, reliable semi-auto .22 using innovative, cost-effective manufacturing. The original Standard model (later Mark I) launched the legendary line, becoming America's best-selling .22 pistol
Through decades, it evolved: Mark II (1982) added bolt hold-open and improved safety; Mark III (2005) brought magazine disconnects and loaded-chamber indicators. Persistent complaints about complex disassembly led to the breakthrough Mark IV in 2016
The key innovation: one-button takedown — press a button, tilt the barrel/receiver off the frame like an AR, no tools needed. It also featured ambidextrous safeties, improved grip frames, and drop-free magazines. This solved the biggest user pain point while preserving legendary accuracy and reliability
Today, variants like Target, Hunter, and 22/45 dominate rimfire shooting, plinking, and training. The Mark IV remains proof of Ruger's enduring design genius — from a 1949 prototype to a modern classic