Winchester USA RIFLE .223 Remington 55 grain Full Metal Jacket (FMJ) Brass Centerfire Rifle Ammunition 500 ROUNDS

Description

Winchester USA Rifle .223 Remington 55 Grain FMJ Ammunition — Product Information

The Winchester USA RIFLE .223 Remington 55 grain Full Metal Jacket (FMJ) Brass Centerfire Rifle Ammunition 500 ROUNDS is a centerfire rifle cartridge configuration using the .223 Remington chambering, a 55-grain projectile, and a full-metal-jacket bullet design. The cartridges are described as using brass cases and are packaged in a 500-round quantity. This page provides general product information and terminology to help readers understand the listed specifications.

Key Features

• Manufacturer: Winchester
• Product line: USA Rifle
• Cartridge: .223 Remington
• Projectile weight: 55 grains
• Bullet type: Full Metal Jacket (FMJ)
• Case material: Brass
• Cartridge type: Centerfire rifle ammunition
• Listed quantity: 500 rounds
• Intended compatibility: Firearms specifically chambered and approved for the applicable cartridge

Understanding the Specifications

.223 Remington:

This designation identifies the cartridge configuration. Firearm owners should verify the exact chamber marking and consult the firearm manufacturer’s documentation before using any ammunition.

55-grain bullet:

The grain measurement refers to projectile weight. Bullet weight is one of several factors that can influence external ballistics and firearm performance.

Full Metal Jacket (FMJ):

An FMJ projectile has a lead core enclosed by a metal jacket. FMJ ammunition is commonly associated with general range and training applications, although the appropriate ammunition type depends on the firearm, range rules, and applicable regulations.

Brass case:

Brass is commonly used for centerfire cartridge cases because of its established mechanical properties and compatibility with conventional ammunition manufacturing processes.

500-round quantity:

The listed package contains 500 cartridges. Users should verify the actual packaging and product labeling before relying on a quantity specification.

Readers comparing .204 Ruger options can also buy Hornady .204 Ruger 32 Grain V-MAX.

General Safety and Compatibility

Ammunition should only be used in a firearm for which that exact cartridge is specified by the manufacturer. Never rely solely on appearance or similar cartridge names when determining compatibility.

Before handling ammunition, inspect cartridges for visible damage, corrosion, deformation, or other abnormalities. Damaged ammunition should not be used. Keep ammunition away from excessive heat, moisture, open flames, and unauthorized access, and follow applicable storage requirements and local laws.

Always follow the firearm manufacturer’s instructions and established range-safety procedures.

Specifications

• Brand: Winchester
• Series: USA Rifle
• Caliber/Cartridge: .223 Remington
• Projectile: 55 grain
• Bullet construction: Full Metal Jacket
• Case: Brass
• Ignition: Centerfire
• Package: 500 rounds

Cartridge Components

A centerfire rifle cartridge consists of several primary components:

• Projectile: The 55-grain FMJ bullet.
• Case: The brass cartridge case that houses the other components.
• Propellant: The powder charge contained within the case.
• Primer: The centerfire ignition component located in the cartridge base.

Each component contributes to the cartridge’s overall operation. Ammunition should remain in its original packaging whenever practical to maintain clear identification.

What Makes Brass Cases Different?

Brass is a widely used material for centerfire cartridge cases. Its combination of strength and ductility allows manufacturers to form cases with consistent dimensions suitable for their intended cartridge specifications.

For consumers examining ammunition, the case material is also a useful identification detail. However, case appearance alone should never be used to determine whether ammunition is appropriate for a particular firearm.

Winchester USA Rifle Terminology

Searches for Winchester USA ammo, Winchester USA ready rifle ammo, and Winchester USA target FMJ centerfire rifle ammo can return several different products and configurations. These names should not be treated as interchangeable.

For example, a product described as Winchester USA Ready 223 or Winchester USA Ready 223 62 grain open tip may have specifications that differ from the 55-grain FMJ product described here. Similarly, searches for Winchester USA 250 ammo refer to a different cartridge designation.

Explore .204 Ruger brass from Dogtown for additional specifications and product details.

Frequently Asked Questions

What caliber is this ammunition?

The listed ammunition is .223 Remington. Compatibility should always be confirmed against the firearm’s markings and manufacturer’s specifications.

What does 55 grain mean?

The 55-grain designation refers to the weight of the projectile. It does not refer to the total weight of the cartridge.

What does FMJ stand for?

FMJ means Full Metal Jacket. It describes a projectile construction in which the core is enclosed by a metal jacket.

Is the ammunition brass-cased?

Yes. The supplied product information identifies the cartridge cases as brass.

How many rounds are included?

The product title specifies a 500-round quantity. Check the manufacturer’s packaging and labeling to confirm the quantity of the particular package.

Conclusion

The Winchester USA RIFLE .223 Remington 55 grain Full Metal Jacket (FMJ) Brass Centerfire Rifle Ammunition 500 ROUNDS is identified by its .223 Remington chambering, 55-grain FMJ projectile, brass case, centerfire configuration, and 500-round package quantity. As with all ammunition, exact firearm compatibility, safe handling, appropriate storage, and compliance with applicable laws and manufacturer instructions should be verified before use.