Winchester USA Lake City M855 Green Tip Rifle Ammunition 5.56mm 62 gr. FMJ 1255 fps 600/ct (Case of 4-150 Boxes)

Winchester USA Lake City M855 green tip rifle ammunition delivers reliable 5.56mm performance at volume—exactly what you need for high-round-count training sessions, range days, or duty use. This case of 600 rounds (packed as four 150-round boxes) features Lake City manufacturing, a trusted source for military-spec ammo. The 62-grain full metal jacket projectile and 1255 fps muzzle velocity make this a proven round for AR-15s and other 5.56 NATO platforms. Whether you're running drills, zeroing optics, or building proficiency, Winchester USA ammo has earned its reputation as dependable, non-frills ammunition that shoots where you point it.

Lake City-manufactured ammunition has supplied U.S. military arsenals for decades, and Winchester's commercial Lake City line carries that same standard into the civilian market. The green-tip designation (a steel-core design) is mil-spec and subject to legal restrictions in some jurisdictions—check local and state regulations before purchase. The consistent velocity and straightforward construction mean less guesswork downrange and more confidence in your shot placement.

For shooters who burn through rounds regularly, buying by the case makes economic sense. You get the benefit of bulk purchasing without the headache of storing dozens of small boxes, and the uniform ammunition characteristics that come with consistent manufacture make your training data cleaner and more actionable. This is working ammunition for working shooters.

Key Features

• Lake City manufacturing—military-grade consistency and reliability
• 62-grain full metal jacket design for reliable feeding and predictable ballistics
• 1255 fps muzzle velocity for standard 5.56 NATO performance
• 600-round case quantity (4 × 150-round boxes) for efficient bulk storage
• Green-tip steel-core construction per mil-spec standards

Specifications

Frequently Asked Questions

What firearms does Winchester USA Lake City M855 work in?

This 5.56mm NATO ammunition is chambered for rifles that accept standard 5.56 NATO, including AR-15 platforms, military-profile rifles, and other 5.56-compatible firearms. Always verify your rifle's chamber and manufacturer recommendations before use.

Is green-tip ammunition legal for civilian use?

Green-tip (steel-core) ammunition is subject to federal and state regulations. Federal law permits civilian purchase, but some states and localities restrict or prohibit steel-core ammunition. Check your local and state regulations before ordering.

Why is Lake City ammunition trusted?

Lake City has supplied U.S. military arsenals for over a century, establishing a reputation for consistent manufacturing standards. Winchester's commercial Lake City line brings that same mil-spec heritage to civilian shooters looking for dependable, uniform ammunition.

How is this ammo packaged?

This case contains 600 rounds total, packed as four 150-round boxes for convenient storage and handling.