High Energy Reloading Powders for Rifles
|Bulk density (g/l)
|Energy content (J/g)
Relative burning rate of rifle powder types mentioned above decreases from left to right.
All Vihtavuori Reloading Powders produced today have an added decoppering agent, read more here!
N530 rifle powder
This is the fastest burning reloading powder in the N500 series and its burning rate is close to Vihtavuori N135 and Hodgdon BL-C(2). Developed especially for the 5,56 mm NATO-cartridges and it gives excellent performances in many .45-70 Government loads and also in .308 Winchester loads with bullet weight less than 10 grams (155 grains).
N540 rifle powder
Faster burning powder with a burning rate like with N140 and close to Hodgdon H414 and Winchester 760. N540 rifle powder is perfect for situations where more power is needed, especially for .223 Remington, .308 Winchester and .30-06 Springfield loads with heavier bullets.
N550 rifle powder
The burning rate of N550 reloading powder is like with N150 and close to IMR 4350 and Reloder 19. Good choice for more powerful loads for 6,5x55 SE, .308 Winchester, .30-06 Springfield and for many others.
N560 rifle powder
The burning rate of N560 is between N160 and N165 and close to Norma MRP and Reloder 22. This is a reloading powder especially for Magnum cartridges to get out the best power for example from .270 Winchester, 7 mm Remington Magnum, 7 mm Weatherby Magnum, .300 Winchester Magnum, .300 Weatherby Magnum and .338 Lapua Magnum.
N570 rifle powder
This is the newest member of the N500 series reloading powders and also the slowest burning. The burning rate of N570 is near to N170 and it is faster burning than 24N41. The characteristics of this high energy rifle powder with large grain size bring out the best in most of the large volume cases like for example in 6,5-.284 Norma, .300 Winchester Magnum, .300 Remington Ultra Magnum, .338 Lapua Magnum and .30-378 Weatherby Magnum.
Reloading powders for the .50 BMG 24N41 / 20N29
For .50 BMG there are two special Vihtavuori reloading powders available: 24N41 and 20N29. They are, like N100 series, single base surface treated rifle powders. Their burning rate is slower and grain size larger than that of the N100 series rifle reloading powders. The renewed relative burning rate of the 24N41 is 39 and that of the 20N29 respectively 36, when N110 is given the index 100, and therefore 24N41 is slightly faster burning than 20N29. There is reloading data available also for some other magnum rifle calibers with these powders and 20N29 has gained reputation also when used eg. in .338 Lapua Magnum and in .30-378 Weatherby Magnum.