For instance, Barnes produces 300 Win Mag loads with 150gr, 165gr, and 180gr TTSX bullets, but only with 150gr and 165gr bullets for the 300 WSM. Likewise, Remington offers 150gr and 180gr Core Lokt loadings for the 300 Win Mag, but only a 150gr loading for the 300 WSM. Hornady...
All three cartridges are relatively popular among reloaders and handloading components are widely available. The .308″ bullets used by the .300 Win Mag are also used by other cartridges like the .308 Winchester, .30-06 Springfield, .300 Winchester Short Magnum(300 WSM), .300 Weatherby Magnum...
The company formally introduced the fruits of their labor to the world in 1963: the .300 Winchester Magnum (also known as the .300 Win Mag, .300 WM, .300 Mag, or .300 Winchester, but not to be confused with its cousin the 300 WSM). Like the .308 Norma, the .300 Winchester Magnum...
The .300 Winchester Magnum uses the same .308″ bullet size as the .308 Winchester, .30-30 Winchester, .30-06 Springfield, 300 WSM, .300 Ultra Mag, and .300 PRC. Bullets like the Barnes LRX, TSX, TTSX, and TAC-X, the Berger VLD and Hybrid Hunter, the Hornady A-Max, ELD-X, ...
The big gun and ammunition companies have responded to that demand in kind. Hunters these days now have a dizzying array of .30 caliber magnum cartridges to choose from like the .300 Winchester Magnum, .300 Weatherby Magnum, .30 Nosler, 300 WSM, .300 Norma Magnum, and the .300 Remington...