

The biggest difference between them is the size and weight of the bullets they fire. 300 Win Mag has a 5-8% advantage in capacity over the 7mm Rem Mag due to its shoulder placement and longer case length.Īs you'd expect from the fact that the two cartridges are very close in overall size, the ballistics of the 7mm Rem Mag and. Though they both have the same rim diameter and are very similar in overall length, the. 156" further forward than the shoulder of the 7mm Rem Mag. 300 Winchester Magnum has a slightly longer case length (2.62″ vs 2.5″) as well as a shoulder that sits. 300 Win Mag has a slightly greater overall length (3.34" vs 3.29"), but both cartridges are used in standard (instead of magnum) length action rifles. 300 Winchester Magnum and 7mm Remington Magnum in the photos. You can see some of the differences between the. 300 Win Mag was also an instant hit with American hunters. 30-06 and also fit in a standard length rifle action. 300 Win Mag had a significant ballistic advantage over cartridges like the. The company formally introduced the fruits of their labor to the world in 1963 as the. 338 Winchester Magnum (itself descended from the. 30 caliber magnum cartridge using the case from the. With all that in mind, it's not surprising at all that the flat shooting and hard-hitting 7mm Rem Mag quickly caught on with hunters in North America.ĭesigners at Winchester during that timeframe could see what direction the wind was blowing and they began work on a. This meant it could be used in many of the same rifle models popular among hunters during that time period chambered in cartridges like the.

30-06 Springfield.Īdditionally, the new 7mm Remington Magnum cartridge fit in a standard length rifle action. 284" bullet, the 7mm Remington Magnum offered a significant ballistic improvement over most other popular cartridges of the day like the. Remington changed the shooting world forever in 1962 when they introduced the Remington Model 700 rifle along with the 7mm Remington Magnum. In this article, I’m going to detail the history of the cartridges as well as their strengths and weaknesses in order to provide you with the necessary information to decide which you should use in various hunting situations. They're both flat shooting, hard hitting and very accurate cartridges for bear. The 300 Win Mag on the left, and the 7mm Mag is on the right. However, many people get confused about the pros and cons of the two cartridges. They’re both calibers able to handle the longer range shooting of hunting the big ungulates, but also the big body structure of bruins. 300 Winchester Magnum are both fantastic choices for hunting a wide variety of big game, including bear. Most hunters probably agree that the 7mm Remington Magnum and.
