The case capacity is not suited to bullets much heavier than 180 grains, however, and accordingly some hunters finds it too light for the largest species like the big bears. It is important to know that the .308 Winchester is not entirely identical to the 7,62 NATO in all dimensions due to differences in tolerances, and some rifle chambers cannot handle military ammunition.VelocityV0 2822 f/sV100 2488 f/sV200 2178 f/sV300 1891 f/sEnergyE0 2651 ft.-lbE100 2062 ft.-lbE200 1580 ft.-lbE300 1191 ft.-lbWind100yds 1.2 in200yds 5.2 in300yds 12.