Providing handloaders with 46 pages jam-packed with essential reloading formulas and extra information, the Reloading Guide for 300 Win. Mag. and 300 Rem. Ultra Mag. Calibers is a must-have resource for handloaders looking for all of today's information on fine-tuning these magnum rifle calibers. With hundreds of loads, including light hunting, target and plinking options, the guide is a wealth of knowledge for the modern shooter. Other elements of the guide also provide essential information on quality-control practices, burn-rate charts and details regarding primers and powder.