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The Ultimate Reloading Manual
Wolfe Publishing Group
  • reloading manual
  • alliant reloading data
  • reloading brass
  • shotshell reloading
  • bullet reloading
The Ultimate Reloading Manual
hodgdon load data

7mm Remington Magnum

Author: Brian Pearce
Date: Apr 24 2020

Introduced in 1962 with the Remington Model 700 bolt action rifle, the 7mm Remington Magnum became widely popular almost overnight. Due to its high velocity and flat trajectory, it has proven an excellent choice for hunting in open country, offering enough muscle to take elk and moose cleanly. Remington created its 7mm magnum by necking the belted .264/.338 Winchester Magnum case to accept .284-inch bullets.

Several labs report wide velocity variations from rifle to rifle and from test barrels. In handloading the cartridge for more than 30 years and firing thousands of rounds across chronographs from many different rifles, I have likewise occasionally seen 300- to 400-fps velocity swings from gun to gun with the same loads. In developing the accompanying data, a Ruger Model 77 MKII All-Weather with 24-inch barrel was chosen. This rifle has given velocities using factory loads that are close to advertised figures and is a good representation of what should be expected. Nonetheless, using a chronograph is suggested when developing handloads.



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