Like many of the specialty cartridges we have,
the .270 WSM
was originally a wildcat cartridge. The WSM stands for Winchester Short Magnum.
It was created in 2002, alongside the 7mm WSM, by
necking down the .300
Winchester Short Magnum and adapting it to take a
277 caliber bullet. The
correct name, a listed with SAAMI, is the 270 WSM, without the decimal.
it was introduced, the 300 WSM sported a new case that showed a lot of promise
for uses in other calibers. Seeing the success of the 300 WSM, in 2002
Winchester introduced new cartridges in its Winchester Short
Magnum family, including the 7 mm WSM and 270 WSM. This new
cartridge was the third commercial .270 ever produced, and the first one in 60
it offers a faster speed with bullets of the same weight, the 270 WSM is a
massive improvement over the older 270 Winchester.
It’s increase in speed (more
the 250 feet per second increase) allows it to fly on a smoother trajectory and
with more energy than its predecessor.
has also been discovered by manufactures is that the guns chambered in the
tend to be lighter than other calibers as well. Though the cost of the ammo
tends to be on the higher side, with the ever increasing demand of metal in
developing nations, the cartridge is still a favorite amongst many shooters.
Each box contains 25 once fired brass shell casings with a nickel finish. Headstamps are mixed. This is unprocessed brass sourced from commercial shooting ranges. The casings have not been washed and polished, and may still contain the spent primer.
It is recommended that all brass be inspected prior to being reloaded and fired