Winchester Ammo WM855200 USA M855 Green Tip 5.56x45mm NATO 62 gr 3060 fps FMJ200 Bx/4 Cs

Winchester USA M855 Green Tip 5.56x45mm NATO ammunition delivers reliable, consistent performance for the shooter who wants dependable ammo without the premium price tag. This is the classic mil-spec round trusted by military and civilian shooters alike—62-grain full metal jacket (FMJ) projectiles loaded to 3060 fps muzzle velocity, producing 1289 ft-lbs of energy downrange. Whether you're running drills at the range, training with your AR-15, or stocking up for regular shooting sessions, Winchester's White Box line offers the balance of quality and value that keeps you shooting without breaking the bank.

The M855 cartridge is the NATO standard 5.56mm load and remains one of the most popular rifle rounds for sport shooting and training. The full metal jacket bullet construction ensures reliable feeding and consistent ballistics across a wide temperature range. At 3060 fps, this load delivers predictable trajectory and energy retention, making it suitable for medium-distance rifle work. Winchester manufactures these rounds to tight tolerances, so you get the same velocity and point-of-impact consistency shot after shot—important when you're working on accuracy or running a training block.

This product comes packaged as 200 rounds per box, with four boxes per case, giving you a 800-round case for serious shooters and high-volume training. Winchester USA ammunition has been the go-to for hunters, sport shooters, and recreational shooters for generations, and the White Box branding signals exactly what you're getting: honest, functional ammo that does the job.

Key Features

• 62-grain full metal jacket (FMJ) bullet—reliable feeding and consistent ballistics
• 3060 fps muzzle velocity with 1289 ft-lbs muzzle energy
• Mil-spec M855 load—the NATO standard for 5.56x45mm
• 200 rounds per box; 4 boxes per case (800 total)
• Consistent performance across temperature and environmental conditions

Specifications

Frequently Asked Questions

What firearms does Winchester M855 5.56 NATO ammo work in?

The M855 is chambered in 5.56x45mm NATO, which is standard for AR-15 rifles, MSRs, and other firearms chambered in 5.56mm. Always verify your firearm's chamber marking before loading any ammunition.

Is this ammo good for AR-15 target shooting and training?

Yes. The M855 Green Tip is one of the most common training and range loads for the AR-15 platform. The consistent 3060 fps velocity and FMJ bullet design make it reliable for high-volume shooting, drills, and accuracy work at indoor and outdoor ranges.

What does "Green Tip" mean on Winchester M855 ammo?

The green-colored bullet tip is the visual designation for mil-spec M855 ammunition. It identifies the round as the standard NATO 5.56mm cartridge with a 62-grain FMJ bullet.

How much ammo is in a case?

This product ships as four boxes of 200 rounds each, totaling 800 rounds per case.