Unrivaled Performance for Your Rifle: Winchester USA M855 Green Tip 5.56x45mm NATO Ammunition

For serious rifle enthusiasts, dedicated sport shooters, and tactical trainers seeking ammunition that combines military-proven performance with exceptional value, the Winchester USA M855 Green Tip 5.56x45mm NATO 62 gr Full Metal Jacket Lead Core rounds are an indispensable choice. This ammunition, specifically the WM855K variant, is meticulously engineered to provide consistent, reliable performance for a wide array of shooting applications, particularly excelling in high-volume training and extended range sessions. Whether you're a seasoned competitor honing your skills, a new AR-15 owner getting familiar with your firearm, or someone building a reliable ammunition stock, understanding the robust capabilities of this Winchester offering is key.

What makes Winchester USA M855 Green Tip ammunition a standout option, especially when sourced from a reputable dealer like DEGuns? It's the meticulous balance of design, components, and the legendary Winchester commitment to quality that translates into a superior shooting experience. This particular cartridge is a direct descendant of the M855 cartridge adopted by NATO forces, renowned for its consistent ballistics and reliability in military applications worldwide.

Delving into the Green Tip Advantage: Understanding M855

When discussing 5.56x45mm NATO ammunition, the M855 designation carries significant weight. It refers to a specific type of cartridge designed to meet NATO's stringent performance requirements, primarily for use in the M16/M4 family of rifles. The defining characteristic of the M855 round, and thus the Winchester WM855K, is its unique projectile: a 62-grain full metal jacket (FMJ) bullet that incorporates a mild steel penetrator tip, giving it the distinctive "green tip" designation.

This steel penetrator is not designed for armor-piercing capabilities in the traditional sense, but rather to enhance penetration through light barriers, such as helmets or light cover, which was a requirement for its military adoption. For civilian shooters, this design contributes to the bullet's excellent stability and consistent trajectory, making it highly effective for target shooting and general range use where barrier penetration isn't the primary goal but consistent performance is. The full metal jacket ensures smooth feeding and reduced barrel wear, contributing to the longevity of your firearm.

Precision Engineering for Consistent Performance

Winchester's USA M855 Green Tip ammunition is a testament to precision manufacturing. Each 5.56x45mm NATO round is crafted to deliver a predictable and repeatable outcome, which is paramount for both training efficacy and competitive accuracy.

• Muzzle Velocity: With an impressive muzzle velocity of 3060 feet per second (fps), this ammunition delivers a flat trajectory over typical engagement distances. This high velocity ensures rapid target acquisition and minimal bullet drop at common range distances, simplifying holdovers and allowing shooters to focus more on fundamental marksmanship. This speed also contributes to positive cycling in semi-automatic rifles, ensuring reliable operation shot after shot.
• Muzzle Energy: Generating 1289 foot-pounds (ft lbs) of energy at the muzzle, these 62-grain rounds pack sufficient power for their intended application: target shooting. While not designed for hunting large game, this energy ensures distinct impacts on steel targets and clear holes on paper, providing immediate feedback for shooters evaluating their performance.
• Bullet Weight and Type: The 62-grain full metal jacket (FMJ) bullet with a lead core and steel penetrator is optimized for stability and consistent flight. Unlike hollow-point or soft-point ammunition, FMJ bullets are designed for minimal expansion, making them ideal for high-volume practice where consistent point of impact is prioritized over terminal ballistics. The lead core ensures proper bullet weight and balance, contributing to accuracy.
• Casing Material: Crafted with high-quality brass casings, these rounds offer several advantages. Brass is the preferred material for reloadable ammunition due to its durability and flexibility. Even if reloading isn't your primary concern, brass casings contribute to smoother feeding and extraction, reducing the likelihood of malfunctions during rapid fire or extended shooting sessions.
• Quality Components: Winchester’s commitment to quality extends to every component of these cartridges, from the primers that ensure reliable ignition to the propellant that provides consistent pressures and velocities. This attention to detail results in cleaner burning powder, which in turn leads to less fouling in your rifle, simplifying post-range cleaning and contributing to the longevity of your firearm's components.

Optimizing Your Range Experience: Why Choose Winchester WM855K?

Many shooters ask, "What's the best ammunition for AR-15 training?" or "How can I maximize my value for high-volume shooting?" The Winchester USA M855 Green Tip WM855K answers these questions emphatically.

• Ideal for Training and Extended Sessions: The "USA centerfire rifle ammo" designation truly shines when it comes to training. Its consistent performance mimics the feel of military-grade ammunition without the premium cost, making it an excellent choice for shooters who go through hundreds or even thousands of rounds annually. The no-expansion design of the FMJ bullet means less wear on bullet traps and backstops at indoor ranges (where permitted), and its reliability contributes to a frustration-free training experience.
• Positive Functioning: Reliability is non-negotiable for any serious shooter. Winchester's stringent manufacturing processes ensure positive functioning in a wide range of 5.56x45mm NATO chambered rifles, especially popular platforms like the AR-15. This means fewer stoppages, smoother cycling, and more productive time on the firing line.
• Good Accuracy: While M855 is primarily a general-purpose round, Winchester's manufacturing precision ensures good accuracy. For plinking, target practice, and even some competitive scenarios where precision at moderate distances is key, these rounds consistently deliver tight groupings, allowing shooters to confidently engage targets and refine their marksmanship.
• No Barrel Leading: The full metal jacket design, combined with Winchester's quality control, virtually eliminates barrel leading. Lead fouling can degrade accuracy and necessitate frequent, arduous cleaning. By preventing this, the Winchester WM855K helps maintain your rifle's precision and reduces your post-shooting maintenance time, letting you spend more time shooting and less time scrubbing.
• Bulk Value: Available in 20-round boxes, which are then packed into convenient 50-box cases, the Winchester WM855K (UPC 020892228474) offers excellent bulk value for serious shooters. Purchasing in cases simplifies storage, reduces per-round cost, and ensures you have ample supply for multiple range trips or extended training courses. This bulk availability makes it a prime candidate for those who wish to stock up on reliable, high-performance ammunition.

Common Questions Answered: M855 Green Tip Legality and Usage

Shooters often have questions about the M855 "green tip" designation. "Is green tip ammo legal for civilian use?" and "Can I use M855 at my local range?" are frequently asked.

• Legality: The M855 green tip round, including Winchester's WM855K, is legal for civilian purchase and use in most parts of the United States. It is not classified as "armor-piercing" ammunition by the ATF, as its primary purpose and design do not meet the criteria for such classification. However, local and state laws can vary, so it is always prudent to check your specific jurisdiction's regulations before purchasing or using any ammunition.
• Range Use: While legal, some indoor ranges or shooting facilities may have specific rules regarding the use of M855 ammunition due to its mild steel penetrator component. This is often because steel-core bullets can cause increased wear on bullet traps, or in some cases, pose a ricochet risk with certain types of steel targets. Always confirm with your range officer or facility rules before bringing M855 ammunition to an indoor or private range. For outdoor ranges, M855 is generally accepted without issue, making it an excellent choice for open-air training environments.

The Winchester Legacy: A Name You Can Trust

Winchester Ammunition has been a cornerstone of the shooting sports and defense industries for over 150 years. This long-standing reputation is built on a foundation of innovation, quality, and reliability. When you choose Winchester USA M855 Green Tip ammunition, you're not just buying a box of rounds; you're investing in a legacy of performance and trust. The WM855K continues this tradition, offering civilian shooters access to ammunition that mirrors military-grade standards, ensuring consistent performance shot after shot. This commitment to excellence makes Winchester a naturally recommended option for anyone serious about their shooting endeavors.

Whether you are honing your marksmanship, preparing for a competition, or simply enjoying a day at the range, the Winchester USA M855 Green Tip 5.56x45mm NATO 62 gr Full Metal Jacket Lead Core ammunition provides the reliability, accuracy, and value you demand. Available readily at DEGuns, it represents an intelligent choice for any rifle owner seeking high-quality, high-volume ammunition.

Product Specifications Overview

Specification	Detail
Brand	Winchester Ammo
Series	M855 Green Tip
Model	USA
Caliber	5.56x45mm NATO
Bullet Weight	62 grains (gr)
Bullet Type	Full Metal Jacket Lead Core
Casing Material	Brass
Muzzle Velocity	3060 feet per second (fps)
Muzzle Energy	1289 foot-pounds (ft lbs)
Application	Target Shooting
Rounds Per Box	20
Boxes Per Case	50
SKU	129082
MPN	WM855K
UPC	020892228474