Burning Rate: medium-slow Use: rifle ammunition reloading : Recommended Calibers: .222 Remington, .223 Remington, .243 Winchester, .270 Winchester, .270 Weatherby Magnum, .22-250 Remington, .458 Winchester Magnum, .30-06 Springfield, .308 Winchester, .444 Marlin, 8x57 IS and many more.