WSM, stands for Winchester Short Magnum.
Winchester Short Magnum- refers to a family of cartridges.
WSM - AM - was created on 1925-10-05.
WSM-FM was created on 1962-11-01.
The .270 is a necked down 30-06. .270 WSM is a necked down .300 WSM. The 270 WSM is faster than the .270, and has a shorter case.
Lead, Round Nosed
WSM = Winchester Short Magnum. A variety of WSM cartridges exist, i.e., 270 WSM, 300 WSM, 338 WSM BOSS = Ballistic Optimizing Shooting System. It is a a 3.5-inch long combination muzzle brake/weight. It threads onto the end of your barrel. By changing its position along the threaded muzzle, you change the length of the barrel and subsequent vibration/harmonics.
XTP = Extreme Terminal Penetration
No. The WSM stands for Winchester Short Magnum. They are not interchangeable.
No, .270 wsm and .270 winchester are not the same.
"WSM"
LSM