The Winchester Wildcat SR is a compact, semi-automatic rimfire rifle designed for range use, small-game shooting, and introduction to autoloading platforms. It pairs modern polymer construction with an integrated Picatinny rail and ambidextrous controls for straightforward operation. The Wildcat SR features a threaded sporter-style barrel and ships with a 10-round rotary magazine.
Key Specifications
- The action is Semi-Auto.
- The caliber is .22 LR.
- The barrel length is 16.5 inches and is a threaded sporter profile.
- The magazine capacity is 10 rounds with a rotary design and last-round bolt hold-open.
- The overall length is 36.25 inches.
- The unloaded weight is approximately 4 pounds.
- The muzzle thread pattern is 1/2 x 28 TPI with a knurled thread protector included.
- The stock is a forged carbon gray polymer with a skeletonized profile and ambidextrous controls.
- The rifle features an integral Picatinny rail on the polymer upper receiver for optics and accessory mounting.
- The sighting system includes a ghost-ring rear and a ramped post front sight; Allen wrenches are included for adjustments.
The Wildcat SR balances lightweight handling and modern features in a rimfire package aimed at shooters who value simplicity and capability. Its threaded barrel, ambidextrous controls, and compatibility with common 10/22-pattern magazines make it a practical option for range work and general utility. Built with serviceability in mind, the lower receiver is field-removable for cleaning and maintenance.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




