Lapua Brass 300 Winchester Magnum Unprimed 100/Box Die Style_Small Base Body Die If you have previously purchased

If you have previously purchased 500 cases without "R" on head stamp and wish to modify

tune and shoot

The torpedo-shaped boat-tail ensures stability in flight

Longer support columns and larger toggle block

Provides accurate and consistent crimping and also works with InterLock® ring to ensure the core and jacket remain locked during expansion

Lapua Brass 300 Winchester Magnum Unprimed 100/Box Die Style_Small Base Body Die If you have previously purchasedLapua the . 300 Winchester Magnum The . 300 Winchester Magnum has been a staple within the firearms industry, widely used by hunters, target shooters, military and law enforcement agencies around the globe since its development in the early 60s. It is still used for competitive target shooting, hunting, and Mil LE platforms to date. It delivers excellent long range performance with a wide range of bullet weights from 165 to 200 grains and more. The .