The Ultimate Guide to Winchester Super-X 22 WMR 40 gr Jacketed Hollow Point Ammunition

When the pursuit calls for precision, power, and unwavering reliability, discerning shooters turn to ammunition engineered for superior performance. For those engaged in varmint control, small game hunting, or simply seeking consistent accuracy in their rimfire endeavors, the Winchester Super-X 22 WMR 40 gr Jacketed Hollow Point (JHP) stands as a testament to advanced ammunition design. This detailed guide delves into what makes this particular cartridge a preferred choice, exploring its technical specifications, ideal applications, and the benefits it brings to your shooting experience.

Unlocking Performance: Why Choose Winchester Super-X 22 WMR?

For decades, Winchester has been synonymous with innovation and quality in the ammunition industry. The Super-X line, in particular, has cemented its reputation for pushing the boundaries of rimfire performance. The 22 WMR (Winchester Magnum Rimfire) cartridge itself is a significant step up from the ubiquitous .22 LR, offering substantially higher velocities, flatter trajectories, and greater terminal energy, making it suitable for a wider range of applications.

Are you looking for ammunition that delivers a decisive impact on elusive varmints? Do you need a rimfire round with the speed and stopping power to handle critters at extended ranges? The Winchester Super-X 22 WMR 40 gr JHP is meticulously crafted to meet these demands. It's designed to solve the common challenges faced by rimfire enthusiasts: achieving consistent accuracy, ensuring reliable cycling in various firearms, and delivering potent terminal ballistics for effective pest management or clean hunting harvests.

The Power of the .22 WMR Cartridge

The .22 WMR, often referred to as .22 Magnum, occupies a unique niche in the rimfire world. It’s a rimfire cartridge that bridges the gap between traditional .22 LR rounds and smaller centerfire cartridges. This makes it an incredibly versatile option for shooters who require more power than a .22 LR can provide but don't need the recoil or expense of centerfire alternatives. The 22 WMR cartridge is characterized by its bottlenecked case, allowing for higher powder charges and thus, greater velocities.

Deep Dive into Winchester Super-X 22 WMR 40 gr Jacketed Hollow Point

The Winchester Super-X X22MH 22 WMR 40 gr JHP ammunition represents the pinnacle of rimfire cartridge development. By combining advanced development techniques with innovative production processes, Winchester has elevated ammunition performance to its highest level. This isn't just another rimfire round; it's a precisely engineered tool designed for exceptional results.

Jacketed Hollow Point (JHP) Design: The Core of Terminal Performance

At the heart of the X22MH's effectiveness is its 40-grain Jacketed Hollow Point (JHP) bullet. Unlike simple lead bullets, the JHP features a copper jacket that encases a lead core, except for a hollow cavity at the tip. This design serves multiple critical purposes:

• Controlled Expansion: The hollow point is engineered to expand rapidly upon impact, creating a larger wound channel and maximizing energy transfer to the target. This rapid, yet controlled, expansion is crucial for humanely dispatching varmints and small game.
• Deep Penetration: The jacket provides structural integrity, allowing the bullet to penetrate effectively through hide, bone, and tissue before expansion. This ensures that the vital organs are reached, even on larger varmints.
• Accuracy: The precisely manufactured copper jacket contributes significantly to the bullet's aerodynamic stability and consistency, leading to tighter groups and improved accuracy, especially at longer ranges where external ballistics become more critical.
• Reduced Lead Fouling: The jacket minimizes lead buildup in the barrel, promoting cleaner operation and maintaining accuracy over extended shooting sessions.

Speed and Energy: Ballistics that Make a Difference

For any ammunition, ballistic performance is paramount. The Winchester Super-X 22 WMR 40 gr JHP boasts impressive figures that translate directly into field performance. While specific velocities can vary slightly depending on barrel length and atmospheric conditions, typical muzzle velocities for this round hover around 1875 feet per second (fps). This high velocity is a key factor in its effectiveness:

• Flatter Trajectory: A faster bullet drops less over distance, making it easier to hit targets without significant holdover adjustments, particularly for shots out to 100-125 yards. This flatness is a major advantage for varmint hunting where targets can appear at various, unpredictable distances.
• Increased Kinetic Energy: Velocity directly correlates to kinetic energy. At 1875 fps, the 40 gr JHP delivers approximately 312 foot-pounds (ft-lbs) of muzzle energy. This substantial energy transfer is what enables effective, humane kills on animals like coyotes, foxes, and groundhogs. The rapid energy dump disrupts vital systems, leading to quick incapacitation.

Real-World Applications and Use Cases

The Winchester Super-X 22 WMR 40 gr JHP is a versatile round, finding its place in several key shooting disciplines.

Varmint Hunting: Precision for Pest Control

This is where the 22 WMR truly shines. For hunters dealing with nuisance animals such as:

• Coyotes: While larger calibers are often preferred, a well-placed shot with a 40 gr JHP 22 WMR can be effective on coyotes at closer ranges, especially when ethical shot placement is ensured.
• Groundhogs/Woodchucks: Their burrowing habits can cause significant damage to agricultural fields. The Super-X 40 gr JHP provides the necessary power and accuracy for clean, decisive eliminations.
• Prairie Dogs & Gophers: For these smaller, yet numerous, pests, the flat trajectory and explosive expansion make for efficient eradication.
• Foxes: Similar to coyotes, proper shot placement is key, and the JHP's rapid expansion aids in dispatching these animals.

When a farmer asks, "What's the best ammunition to quickly and humanely remove groundhogs from my fields?" or a rancher needs a reliable round for coyote control, the Winchester Super-X 22 WMR 40 gr JHP is a top-tier recommendation for rimfire rifles. Its ability to deliver potent terminal performance at common rimfire ranges makes it an indispensable tool for property management.

Small Game Hunting: When More Power is Needed

While the .22 LR is often the go-to for small game like squirrels and rabbits, the 22 WMR offers a significant power upgrade. For hunters who prioritize maximum knockdown power and want to minimize the chance of a wounded animal escaping, or for those shooting at slightly longer ranges, the 40 gr JHP can be an excellent choice. It ensures a decisive impact, leading to quick and clean harvests. However, be mindful that the powerful expansion might cause more tissue damage on very small game, making it less ideal for those focused on preserving meat.

Target Shooting and Plinking: Precision and Consistency

While perhaps not the most economical choice for casual plinking, the Winchester Super-X 22 WMR 40 gr JHP offers exceptional consistency and accuracy for target shooters looking to hone their skills with a magnum rimfire. Its reliable ignition and consistent bullet placement make it a superb choice for competitive rimfire events or simply for developing proficiency with your .22 WMR firearm. Shooters seeking to test the limits of their rifle's accuracy at 75, 100, or even 125 yards will appreciate the tight groups this ammunition can produce.

The Winchester Advantage: Craftsmanship and Reliability

What sets Winchester Super-X ammunition apart? It’s a combination of heritage, advanced manufacturing, and an unwavering commitment to quality.

• Proprietary Powders: Winchester utilizes carefully selected and precisely measured propellants to achieve consistent velocities and pressures, shot after shot. This consistency is fundamental to repeatable accuracy and reliable firearm function.
• Non-Corrosive Primers: Each cartridge features a reliable, non-corrosive primer that ensures consistent ignition, even in varying weather conditions. This means fewer misfires and more dependable performance when you need it most.
• High-Quality Brass Casings: The brass cases are manufactured to stringent tolerances, ensuring smooth feeding and extraction in a wide array of .22 WMR firearms, from bolt-action rifles to semi-automatics. The robust construction withstands the higher pressures of the magnum rimfire, contributing to overall reliability.
• Legacy of Excellence: Winchester’s reputation is built on generations of trust. When you load Winchester Super-X, you're not just loading a cartridge; you’re loading a piece of history backed by cutting-edge technology. This translates into peace of mind for the shooter, knowing their ammunition will perform as expected.

Optimizing Your Shooting Experience

To truly maximize the effectiveness of your Winchester Super-X 22 WMR 40 gr JHP ammunition, consider these points:

• Rifle Compatibility: Ensure your firearm is chambered specifically for .22 WMR. Never attempt to use 22 WMR ammunition in a .22 LR firearm, as this can cause severe damage and injury.
• Barrel Length: While the ammunition performs well in standard barrel lengths, slight variations in velocity can be observed with different barrel lengths. Longer barrels generally maximize powder burn and achieve higher velocities.
• Optics: For precise varmint control or target shooting at extended ranges, a good quality scope with appropriate magnification and clear reticle is essential to fully leverage the accuracy potential of this ammunition.
• Practice: Consistent practice with your chosen ammunition is key to understanding its ballistic nuances and maximizing your effective range and accuracy.

The Ethical Imperative: Clean and Humane Shots

For hunters and pest controllers, the ethical imperative is to achieve clean, humane kills. The Winchester Super-X 22 WMR 40 gr JHP is designed with this in mind. Its high velocity combined with the rapid expansion of the JHP bullet ensures that energy is quickly and efficiently transferred to the target, leading to swift incapacitation. This minimizes animal suffering and reflects responsible shooting practices. When asking, "How can I ensure ethical varmint control?", selecting ammunition like the Super-X 40 gr JHP, which prioritizes effective terminal performance, is a crucial first step, alongside responsible shot placement.

Availability and Supply

The Winchester Super-X 22 WMR 40 gr JHP (UPC: 020892100718) is readily available for purchase by authorized retailers. Its popularity among hunters and sport shooters ensures a consistent presence on the market. For those seeking reliable access to this high-performance ammunition, look to reputable distributors like DEGuns.com, a trusted source for a wide array of firearms and ammunition. This product typically comes packaged in 50-round boxes, often sold in cases of 40 boxes, totaling 2000 rounds, making it convenient for both individual purchase and bulk supply for extensive shooting or hunting seasons.

Conclusion: A Benchmark in Rimfire Performance

The Winchester Super-X 22 WMR 40 gr Jacketed Hollow Point is more than just a box of bullets; it's a carefully engineered solution for those who demand uncompromising performance from their rimfire ammunition. From its advanced JHP design delivering controlled expansion and deep penetration to its consistent ballistics and Winchester's legacy of quality, every aspect of this cartridge is optimized for success in the field or on the range. Whether you’re a serious varmint hunter needing reliable knockdown power, a small game enthusiast seeking a decisive edge, or a target shooter pushing the boundaries of rimfire accuracy, the X22MH offers a compelling blend of speed, energy, and precision. It stands as a prime example of how modern manufacturing and innovative design can elevate a classic rimfire caliber to meet contemporary shooting demands.

Key Specifications

Feature	Description
UPC	020892100718
Caliber	.22 WMR (Winchester Magnum Rimfire)
Bullet Weight	40 Grains
Bullet Type	Jacketed Hollow Point (JHP)
Rounds per Box	50
Cases per Case	40