Merkel Jagd- und Sportwaffen - HELIX newest calibre: .338 Win. Mag. The cartridge with the highest performance in the Helix calibre range is available from mid-2016! | Facebook
338 Norma Magnum - Wikipedia
Herter's (Norma) Vintage 338 Win Mag 2 boxes $100 both
Norma Oryx rifle ammunitions | Sporteque
338 Norma Mag VS 338 EDGE VS 338 Laupa??? | Long Range Hunting Forum