A versatile range of reloading powders
The Vihtavuori selection covers more than 20 different types of reloading powders – a right choice for all disciplines, firearms and ranges. Find your match.
Vihtavuori N565
High Energy Powder
Thanks to input and requests from our customers, Vihtavuori is pleased to introduce the latest addition to our N5OO series of High Energy powders; the N565.
Read more on N565 here
Experienced craftsmanship for the perfect ammo
For nearly a hundred years, Vihtavuori has been known for producing high quality propellants with reliable ballistic performance, long shelf-life and wide variety selection. All of our powders meet the strict requirements of both civilian and military needs.
About
Variations in moisture content change the burning rate of a powder and thereby chamber pressures and muzzle velocity. The moisture content of the N100 and N300 series powders is usually around 1 %, the N500-series' normal moisture content is 0.6 % because of the added nitroglycerine.
So what difference does moisture content have? Here's an example. In a test, a powder sample was dried by heating it, losing about 0.5 % of its weight. Cartridges were then loaded with the dried powder and fired using a pressure gun. Chamber pressures and muzzle velocities produced by these special cartridges were compared to those produced by cartridges loaded with untreated powder. (The powder charge and bullet were of course the same in both sets of cartridges.)
Comparing results showed chamber pressures increased from 320 MPa to 355 MPa with the dried powder, and the muzzle velocity increased accordingly from 770 m/s to 790 m/s (2526 to 2592 fps). And note, this is only one example, of one caliber and loading. The difference might be much higher depending on the cartridge and loading combinations.
What does this tell us? Well, it seems we need to forget the old saying "Keep your powder dry"! Instead, focus on proper powder storage, in a temperature below 20°C / 68°F and humidity between 55-65 %. Safe reloading everybody!
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Updated Vihtavuori Reload app (V1.30) is available for download! And now available with German language option!💪
The newest version of the Vihtavuori Reload features new capabilities and improvements as follows:
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German language support
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N565 powder in drop down list
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Facebook login fix
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Read more on our webpage!
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The power of accuracy
When choosing Vihtavuori powders you know your ammo is up to the task, even in the toughest conditions.
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