Nosler Trophy Grade 300 Winchester Magnum 200 Grain Partition Ammo - 20 Rounds

The Nosler Trophy Grade 300 Winchester Magnum 200 grain Partition ammunition is purpose-built for hunters who demand a bullet that performs the same way in the field every time. The Partition design—the benchmark for hunting rounds since 1948—splits its structure into two cores separated by Nosler's integral partition. The front core expands rapidly on impact to transfer energy and create a wound channel, while the rear core stays intact, giving you deep penetration and retained weight for ethical, reliable kills on medium to large game.

Nosler loads these rounds into premium brass, meaning you're getting ammunition built to the same exacting standards that made the Partition bullet a legend. The 200-grain weight in the 300 Win Mag hits that sweet spot for velocity and energy at extended range, making it a favorite for long-range hunting applications where you need both power and accuracy. Whether you're hunting elk in high country or taking a long-range shot at mule deer, this ammunition delivers the terminal performance hunters have trusted for decades.

Every box of Nosler Trophy Grade comes with 20 rounds, so you get consistent ammunition for your hunting season without compromise. If reliability matters to you—and it should when your shot counts—this is ammunition you can count on.

Key Features

• Nosler Partition bullet with dual-core design for controlled expansion and deep penetration
• Front core expands rapidly; rear core retains integrity for two-thirds+ original bullet weight
• Loaded in premium Nosler brass for consistency and reliability
• 200 grain weight optimized for the 300 Winchester Magnum
• 20 rounds per box
• Proven design trusted by hunters since 1948

Specifications

Frequently Asked Questions

What game can I hunt with Nosler Trophy Grade 300 Win Mag 200 grain ammunition?

The 200 grain Partition is suitable for medium to large game hunting. The bullet's design provides the penetration and energy retention needed for reliable performance on elk, deer, and similar-sized game at extended ranges.

How does the Partition bullet design work?

The Partition splits into two cores separated by an integral barrier. The front core expands on impact to create immediate wound trauma, while the rear core remains intact and protected by the partition, ensuring deep penetration and retaining more than two-thirds of the original bullet weight.

Is this ammunition reloadable?

Nosler Trophy Grade ammunition is loaded in premium Nosler brass, which is suitable for reloading after firing, though reloading components and processes are separate from the factory load.

How many rounds come in a box?

Nosler Trophy Grade 300 Winchester Magnum ammunition comes in boxes of 20 rounds.