The Winchester .22 WMR W22MST is a high-performance .22 Winchester Magnum Rimfire cartridge designed for varmint hunters, small game enthusiasts, and recreational shooters. As one of Winchester’s trusted rimfire offerings, the W22MST delivers excellent velocity, accuracy, and terminal performance in a wide range of .22 WMR rifles and handguns. This ammunition is ideal for those seeking reliable, consistent results whether they are controlling pests on the farm, hunting small game, or enjoying a day at the range.
Why Choose the Winchester .22 WMR W22MST?
The Winchester W22MST stands out as a premium choice in the .22 Winchester Magnum Rimfire category. The .22 WMR cartridge is significantly more powerful than standard .22 LR ammunition, offering flatter trajectories and greater energy at longer distances. Winchester has engineered the W22MST to provide reliable feeding and consistent ignition in both semi-automatic and bolt-action firearms. Its clean-burning powder helps reduce fouling, allowing for longer shooting sessions with minimal maintenance. Whether you’re a serious varmint hunter or a recreational shooter looking for dependable rimfire performance, the Winchester .22 WMR W22MST offers an excellent combination of power, accuracy, and value.
Key Features of the Winchester .22 WMR W22MST
- .22 Winchester Magnum Rimfire – Powerful rimfire cartridge with significantly more energy than .22 LR
- High Velocity Performance – Delivers flat trajectory and effective terminal performance at extended ranges
- Reliable Ignition – Consistent primer and powder formulation for dependable function
- Clean-Burning Powder – Reduces fouling for easier maintenance and longer shooting sessions
- Versatile Use – Excellent for varmint hunting, small game, and target shooting
- Quality Brass – Premium brass cases for reliable feeding and extraction
- Model W22MST – Official Winchester .22 WMR ammunition
Performance and Handling
The Winchester .22 WMR W22MST provides impressive ballistic performance for a rimfire cartridge. The .22 Winchester Magnum offers roughly twice the muzzle energy of standard .22 LR ammunition, making it highly effective for varmint control and small game hunting at distances where .22 LR begins to lose effectiveness. The cartridge’s higher velocity results in a flatter trajectory, improving accuracy at longer ranges.
Shooters appreciate the W22MST for its reliable cycling in both rifles and pistols chambered in .22 WMR. The ammunition is known for consistent velocities and tight groupings, which is essential for precision varmint hunting. The clean-burning powder helps keep barrels cleaner during high-volume shooting, while the quality brass cases ensure smooth feeding and extraction in semi-automatic firearms. Whether used in a lever-action rifle, bolt-action varmint rifle, or a .22 WMR revolver, the Winchester W22MST delivers dependable performance shot after shot.
Technical Specifications
| Product Name | Winchester .22 WMR |
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| Model Number | W22MST |
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| UPC | 020892104792 |
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| Caliber | .22 Winchester Magnum Rimfire (.22 WMR) |
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| Application | Varmint Hunting, Small Game, Target Shooting |
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| Case Material | Brass |
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| Velocity | High Velocity |
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| Best For | Varmint Control, Small Game Hunting, Plinking |
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| Key Benefit | Reliable, high-velocity .22 WMR ammunition from Winchester |
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Experience the power and reliability of Winchester rimfire ammunition.
Winchester .22 WMR W22MST – Trusted performance for varmint hunters and shooters.
The WINCHESTER 22 WIN MAG W22MST is rimfire ammunition. Always follow all firearm safety rules and local regulations when handling and using ammunition. This product is intended for lawful use only by qualified individuals.
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