First introduced by the Winchester Repeating Arms Company in
1963, the .30 Winchester Magnum, commonly referred to simply as .300 Win Mag,
if a belted and bottlenecked magnum rifle cartridge. Used originally in the
Winchester Model 70 Rifle, the .300 Win Mag is essentially a redesigned .338
Winchester Magnum. What the firearms company did was move the should forward
and lengthened the round slightly, causing the cartridge to have a neck shorter
than the diameter of the bullet.
Since the very beginning, the .300 Win Mag has been popular.
After it’s premier, Remington released the Model 700, calibered in the .300 Win
Mag. While cartridges like the .300 H&H Magnum and the .30-338 Winchester
Magnum were created beforehand, they soon gave way to the .300 win Mag, due to
its versatility and availability.
is a popular selection for hunting moose, elk, and bighorn sheep as
it can deliver better long-range performance with better bullet weight than
most other .30 caliber cartridges. Military and law enforcement departments
adopted the cartridge for long range sniping and marksmanship. As a testament
to its accuracy, since its introduction it has gone on to win several
1,000-yard (910 m) competitions. Though some controversy has plagued the
round, mainly over the neck size in comparison to the bullet diameter, it still
remains popular today and shows no signs of slowing down.
Each box contains 50 once fired brass shell casings. All Remington-Peters (RP) headstamps. This is unprocessed brass sourced from commercial shooting ranges. The casings have been washed and polished, but not resized and may still contain the spent primer.
It is recommended that all brass be inspected prior to being reloaded and fired.