Weatherby 300 WBY 170 gr Hammer Custom – 20 Rounds

The Weatherby 300 WBY 170 gr Hammer Custom is factory-loaded ammunition chambered for the 300 Weatherby Magnum. Each cartridge uses a 170 grain Hammer Custom projectile and is packaged in a 20-round box. Manufacturer-supplied specifications list a bullet diameter of .308 inch (7.8 mm) and a maximum case length of 2.825 inches. The cartridge is positioned for long-range field use where extended trajectory and retained energy are priorities.

Key Specifications

• The caliber is listed as 300 WBY (300 Weatherby Magnum).
• The projectile weight is 170 grains and identified as the Hammer Custom bullet.
• The box contains 20 rounds.
• The bullet diameter is listed as .308 inch (7.8 mm) in source materials.
• The maximum case length is listed as 2.825 inches in source materials.
• The product is marketed by Weatherby.
• The package is described with a listed weight of 1.56 (unit not specified by source).
• The cartridge is commonly referenced as .30 caliber in the provided description.

Purpose-built for shooters who prioritize consistent long-range performance, this Weatherby factory load delivers a 170-grain Hammer Custom projectile in standard 20-round packaging. Its documented dimensions and bullet profile make it a straightforward choice for field use where consistent external ballistics and reliable factory ammunition are required.