Winchester USA .223 Remington 55 gr FMJ Ammunition (1000-Round Case)

When you're looking for reliable, consistent, and cost-effective ammunition for your rifle, especially for extensive range sessions, training, or recreational shooting, Winchester USA .223 Remington 55-grain Full Metal Jacket (FMJ) ammunition stands out as a premier choice. This bulk offering, often identified by the SKU USA223R1KY, provides 1000 rounds—that's 50 individual boxes, each containing 20 cartridges—making it an ideal solution for high-volume shooters and shooting enthusiasts.

This ammunition is specifically engineered to deliver dependable performance in a wide array of firearms chambered for .223 Remington, including popular AR-15 platform rifles, various bolt-action rifles, and other semi-automatic sporting rifles. It addresses the common challenge of finding high-quality ammunition that can withstand the rigors of consistent use without breaking the bank, ensuring your shooting experience is both productive and enjoyable.

Why Choose Winchester USA .223 Remington 55 gr FMJ for Your Shooting Needs?

Choosing the right ammunition is crucial for performance, reliability, and value. Winchester's USA line is renowned for providing shooters with exactly that—a blend of performance, affordability, and the trusted quality synonymous with the Winchester brand. This specific load, the 55-grain FMJ, is one of the most popular and versatile options available for the .223 Remington cartridge.

Ideal Applications and Use Cases

• High-Volume Target Practice: For shooters who spend considerable time at the range, this 1000-round case offers superb value. The FMJ bullet design is excellent for paper targets, steel gongs, and general plinking, providing consistent accuracy without excessive wear on range equipment.
• Rifle Training and Skill Development: Whether you're a beginner honing your fundamentals or an experienced shooter maintaining proficiency, the consistent ballistics of this ammunition make it perfect for drills, marksmanship training, and dynamic shooting exercises. Its reliable feeding and extraction ensure smooth operation through your firearm, minimizing interruptions.
• AR-15 Platform Reliability: The .223 Remington cartridge is the civilian counterpart to the 5.56x45mm NATO round, and this 55-grain FMJ load is optimized for the cycling requirements of AR-15 style rifles. Shooters often ask, "What's the best ammunition for my AR-15 for practice?" The Winchester USA 55 gr FMJ is a top recommendation due to its consistent pressure, clean-burning powder, and robust brass casings, which contribute to reliable cycling in direct impingement and piston-driven systems alike.
• Recreational Shooting and Plinking: If you enjoy casual shooting with friends or simply want to have fun at the range, this bulk ammunition provides an economical way to extend your shooting sessions.
• Varmint Control (Where FMJ is Permitted): While not designed for terminal expansion, the FMJ bullet offers excellent penetration. In areas where regulations permit and for specific small varmint applications where over-penetration is not a concern, this ammunition can be a viable option.

Deep Dive into Features and Performance

Understanding the components and design behind Winchester USA .223 Remington 55 gr FMJ ammunition helps explain its widespread appeal and effectiveness.

The .223 Remington Caliber

The .223 Remington is one of the most popular and widely used rifle cartridges in the United States and globally. Developed from the .222 Remington, it was later adopted as the basis for the 5.56x45mm NATO military cartridge. This small-caliber, high-velocity round offers a flat trajectory and moderate recoil, making it easy to shoot accurately. It's chambered in an enormous variety of rifles, from popular AR-15s to traditional bolt-action hunting rifles. Many users inquire, "Can I use .223 Rem in a 5.56 NATO chamber?" Generally, it is safe to fire .223 Remington ammunition in a rifle chambered for 5.56mm NATO, though the reverse is not always recommended due to potential pressure differences. This Winchester USA ammunition is designed specifically for .223 Remington chambers, ensuring optimal performance and safety within these specifications.

55-Grain Full Metal Jacket (FMJ) Bullet

The 55-grain bullet weight is arguably the most common and versatile for the .223 Remington/5.56mm NATO cartridge. It strikes an excellent balance between velocity, trajectory, and stability in a wide range of barrel twist rates (common twists like 1:7, 1:8, 1:9, and 1:12 can stabilize this bullet effectively).

The Full Metal Jacket (FMJ) design means the bullet's lead core is completely encased in a harder metal jacket, typically copper. What are the benefits of FMJ ammunition?

• Reduced Lead Fouling: The full jacket minimizes the exposure of the lead core to the barrel, which significantly reduces lead fouling and makes for easier barrel cleaning.
• Consistent Penetration: FMJ bullets are designed to resist deformation upon impact, leading to consistent penetration. This characteristic is beneficial for target shooting as it creates clean, round holes in paper targets, simplifying scorekeeping.
• Economical Production: The FMJ design is relatively simple and cost-effective to produce, contributing to the affordability of this ammunition, especially when purchased in bulk. This is why it's often the go-to choice for training and practice.
• Reliable Feeding: The smooth, consistent profile of FMJ bullets aids in reliable feeding from magazines into the rifle chamber, which is essential for semi-automatic firearms like the AR-15.

Premium Components and Construction

Winchester's commitment to quality extends to every component of their USA ammunition line:

• Reloadable Brass Casings: Each cartridge features high-quality, reloadable brass casings. For enthusiasts who enjoy reloading their own ammunition, these durable cases provide an excellent foundation for multiple reloading cycles, further enhancing the value proposition of this bulk purchase.
• Non-Corrosive Primers: The ammunition uses reliable, non-corrosive primers, which are crucial for maintaining the longevity of your firearm. Non-corrosive primers prevent the build-up of corrosive salts that can damage barrel interiors and other metal components over time.
• Clean-Burning Powders: Winchester employs propellants that burn efficiently and cleanly, contributing to less residue buildup in your firearm. This means more shots between cleanings and a happier rifle.

Unpacking the Value: The 1000-Round Case

Purchasing ammunition in a 1000-round case (50 boxes of 20 rounds each) offers significant advantages for active shooters:

• Cost Savings: Bulk purchases almost always result in a lower cost per round compared to buying smaller boxes. This makes high-volume practice more accessible and affordable.
• Convenience: Having a large supply of ammunition on hand means fewer trips to the store and less concern about availability fluctuations. It allows for spontaneous range trips and extended training sessions without interruption.
• Consistency: All rounds within a single case generally come from the same production lot, ensuring maximum consistency in performance, which is vital for serious training and competitive shooting where repeatable results are paramount.
• Storage Efficiency: While 1000 rounds is a substantial quantity, it is typically packaged in a single, manageable case, making storage and transport straightforward. Always store ammunition in a cool, dry place away from direct sunlight and extreme temperature fluctuations to maintain its integrity over time.

Trusting the Winchester Brand

Winchester has been a pillar of the firearms industry for over 150 years, earning a reputation for innovation, quality, and reliability. Their ammunition is manufactured under strict quality control standards, ensuring that every round performs consistently. When you choose Winchester USA, you're not just buying ammunition; you're investing in decades of ballistic expertise and a commitment to shooter satisfaction. This legacy of excellence is why Winchester products are so often recommended when users ask, "Which ammunition brand can I trust for consistent performance?"

Where to Acquire Your Ammunition

For those seeking this reliable and cost-effective Winchester USA .223 Remington 55 gr FMJ ammunition, identified by the 1000-round case SKU USA223R1KY, look no further than DEGuns.com. DEGuns is a leading retailer offering a vast selection of firearms, accessories, and ammunition, including this popular bulk option. Their commitment to customer service and competitive pricing ensures a seamless purchasing experience for all your shooting needs.

Frequently Asked Questions About .223 Rem Ammunition

• Is 55-grain .223 FMJ good for target practice? Absolutely. The 55-grain FMJ is one of the most popular and effective bullet weights for target shooting due to its balanced ballistics, affordability, and consistent performance on paper and steel targets.
• How does .223 Remington compare to 5.56mm NATO? While dimensionally similar, 5.56mm NATO operates at slightly higher pressures than .223 Remington. As a general rule, you can safely fire .223 Rem in a 5.56mm NATO chamber, but not always vice-versa. Always check your firearm's specific chambering.
• Can I reload these casings? Yes, Winchester USA ammunition uses high-quality brass casings that are excellent for reloading, offering additional value for those who enjoy the hobby of handloading.
• What firearms are compatible with this ammunition? This ammunition is compatible with any firearm chambered for .223 Remington, including but not limited to AR-15 rifles, Mini-14s, bolt-action rifles (like Winchester Model 70, Remington 700, Ruger American), and various other semi-automatic and single-shot rifles.

Product Specifications

Feature	Detail
Caliber	.223 Remington
Bullet Weight	55 Grain
Bullet Type	Full Metal Jacket (FMJ)
Case Quantity	1000 Rounds (50 boxes of 20 rounds each)
Individual Box UPC	020892100854 (for a single 20-round box of Winchester USA223R1)
Manufacturer	Winchester Ammunition
Series	USA
Muzzle Velocity	Approximately 3240 fps (feet per second) - varies by barrel length and conditions
Muzzle Energy	Approximately 1282 ft-lbs (foot-pounds) - varies by barrel length and conditions
Casing Material	Brass (Reloadable)
Primer Type	Non-Corrosive
Recommended Use	Target Shooting, Training, Plinking, Recreational Shooting

Investing in Winchester USA .223 Remington 55 gr FMJ ammunition in bulk from DEGuns.com is a smart decision for any serious or recreational shooter looking for dependable performance, exceptional value, and the assurance of a trusted brand.