Winchester USA Valor Ammunition 5.56x45mm NATO 62 Grain M855 SS109 Penetrator Full Metal Jacket

Product Overview

Winchester USA Valor 5.56x45mm NATO 62 Grain M855 SS109 Penetrator Full Metal Jacket ammunition is a military-style load engineered for dependable performance in AR-15 rifles and other 5.56 NATO platforms. Featuring the proven 62 grain green tip penetrator bullet, this round delivers consistent velocity, reliable cycling, and solid accuracy for range training and high-volume shooting.

Built to 5.56x45mm NATO specifications, Winchester USA Valor 5.56 is an excellent choice for shooters looking for authentic M855 performance.

What Is M855 SS109?

The M855 (also known as SS109) is a 62 grain full metal jacket projectile with a steel penetrator core in the tip. It is commonly identified by its green-painted tip and was developed for improved barrier performance compared to M193 55 grain ammunition.

Shooters searching for:

• Winchester USA Valor 5.56

• Winchester Valor 5.56 62 grain

• Winchester USA Valor M855

• 5.56 NATO 62gr green tip

• M855 SS109 5.56 ammo

will find this load ideal for range use and military-style training.

Key Features

• Caliber: 5.56x45mm NATO

• Bullet Weight: 62 Grain

• Bullet Type: M855 SS109 Penetrator Full Metal Jacket

• Green tip identifier

• Brass case

• Boxer-primed

• Non-corrosive

• Designed for 5.56 NATO chambered rifles

• Manufactured by Winchester USA

This is a true 5.56mm NATO pressure load designed for reliable performance in modern sporting rifles.

Performance & Reliability

Winchester USA Valor M855 62 grain ammunition is engineered for:

• Smooth feeding and consistent cycling in AR-15 platforms

• Stable performance in 1:7 and 1:8 twist barrels

• Effective trajectory at medium distances

• Consistent muzzle velocity

• Reliable ignition with clean-burning powder

Because it is loaded to 5.56 NATO pressure, it may produce slightly higher velocity than standard .223 Remington loads.

Typical Uses

• AR-15 range training

• Tactical drills

• High-volume shooting

• Military-style practice

• Bulk 5.56mm ammo stocking

This 62 grain green tip load is commonly selected by shooters who prefer slightly heavier projectiles than standard 55 grain M193.

Important Compatibility Note

This ammunition is designed for firearms chambered in 5.56x45mm NATO or .223 Wylde.
It should not be used in rifles marked strictly for .223 Remington unless the manufacturer confirms 5.56 NATO compatibility.

Always follow local regulations regarding the use of M855/SS109 penetrator ammunition, as some ranges restrict steel-core or green tip rounds.

Frequently Asked Questions

What is the difference between M193 and M855?

M193 uses a 55 grain FMJ bullet, while M855 uses a 62 grain steel-core penetrator bullet. M855 generally performs better through light barriers and works best in faster twist barrels like 1:7.

Is Winchester USA Valor M855 green tip?

Yes. The 62 grain M855 projectile features a green-painted tip to identify the penetrator design.

Is this ammo good for AR-15 rifles?

Yes. It is designed specifically for 5.56 NATO chambered AR-15 rifles and similar platforms.

Can I shoot M855 in a .223 rifle?

Only if your rifle is rated for 5.56 NATO pressure. Check manufacturer specifications before use.

Is this ammunition reloadable?

Yes. The brass cases are boxer-primed and reloadable.

Is M855 armor piercing?

No. While it contains a steel penetrator tip, it is not classified as armor-piercing handgun ammunition under federal law. However, local regulations may vary.