Ruger SR22
The Ruger SR22 is Ruger’s polymer-framed .22 LR semi-automatic pistol — a slim, lightweight rimfire designed to mirror the ergonomics and controls of a full-size centerfire service pistol. With ambidextrous controls, a 10+1 magazine capacity, adjustable rear sight, and an optional threaded barrel, the SR22 serves as an affordable training companion, a standalone plinker, and a suppressor host. It’s particularly popular with shooters who carry a full-size Ruger pistol and want a rimfire trainer that feels familiar.
Read our full Ruger SR22 Buying Guide ↓
SR22 as a Training Pistol: Who It’s Built For
The SR22’s primary value proposition is as a training companion — a .22 LR pistol with centerfire-like ergonomics that allows high-volume fundamentals practice at a fraction of the cost. The ambidextrous thumb safety operates identically to many full-size SA/DA and decocker pistols, making the SR22 useful for shooters transitioning to or from safety-equipped pistols. The grip angle and control layout are deliberately chosen to transfer skills across platforms. At 5–10 cents per round vs. 25+ cents for 9mm, a 500-round SR22 session costs what a 100-round centerfire session costs — five times the trigger time for the same money.
SR22 Threaded Barrel: The Suppressor Host Option
Ruger offers the SR22 with a factory-threaded 4.5″ barrel (1/2×28) specifically for suppressor use. The SR22 cycles reliably with standard and high-velocity .22 LR through the non-suppressed barrel; with a suppressor attached, subsonic 40gr loads are the preferred choice for hearing-safe performance. Since January 1, 2026, the NFA $200 tax stamp has been eliminated, making the SR22 with threaded barrel a cost-effective entry point into suppressed rimfire shooting. The SR22’s narrow profile also keeps the suppressed overall package relatively compact compared to larger rimfire pistols.
SR22 vs. Ruger Mark IV vs. Walther P22: .22 Pistol Comparison
The SR22, Ruger Mark IV, and Walther P22 serve overlapping but distinct purposes. The Mark IV is a dedicated target pistol with superior accuracy and a longer barrel — better for precision work and competition. The Walther P22 is smaller and more compact for carry-like training. The SR22 occupies the middle: larger than the P22, less specialized than the Mark IV, with the best ambidextrous control layout of the three. For a shooter whose primary goal is transferable training for a centerfire pistol, the SR22’s familiar controls give it the edge. For competition and accuracy-focused shooting, the Mark IV wins.
SR22 Reliability: What to Expect with .22 LR
.22 LR ammunition varies significantly in consistency — more than any other cartridge category. The SR22 is reliable with quality high-velocity loads like CCI Mini-Mag and Federal Champion but can be finicky with the cheapest bulk ammunition. Avoid the lowest-cost bulk .22 for break-in and important sessions; standard-velocity bulk ammo may not provide enough energy to cycle the action reliably. For suppressed use, CCI Quiet and similar subsonic loads are recommended. After 500+ rounds of quality ammunition, the SR22 typically becomes more reliable with a wider range of loads as the action breaks in.
SR22 Accessories, Ammo & Related Pages
For .22 LR ammunition including subsonic suppressor loads, see our .22 LR ammo page. For suppressor options compatible with the SR22’s 1/2×28 thread, see our suppressors page. For the full Ruger brand page, see our Ruger page. For competing .22 pistol options, see our .22 pistols page and Ruger Mark IV page.