Vihtavuori's N160 rifle powder is especially suitable for large and magnum calibers (especially belted Magnums) starting from 30-06 with heavier bullets, .243 Winchester, .260 Remington, 6.5 Creedmoor, 6.5A-55 SE, 7 mm Weatherby Magnum, .300 Winchester Magnum, .338 Winchester Magnum and all the Winchester Short Magnums. It also fits large capacity/small bore cartridges like the 6.5-284 Norma. N160 is a tubular powder type with grain dimensions of 1,3 mm length and 1,1 mm diameter. The burn rate of is medium to slow on the scale of our rifle powders. The N160 is commonly used for big game hunting ammunition especially with heavier bullets.