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PRS match report

by Team Vihtavuori member Johan Eriksson “Last weekend me and my friend Oscar Järvi went to Vaasa in Finland to shoot the first PRS type match held in Finland and arranged by the local club Pohta. As it was the first PRS type match in Finland, we thought that it would be an easy match

Did you know? Powder moist content

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

Updated Vihtavuori Reload app now available in German

Updated Vihtavuori Reload app (V1.30) is available for download The newest version of the Vihtavuori Reload is now available, featuring new capabilities and improvements as follows: German language support N565 powder in drop down list Facebook login fix Haven’t tried it yet? Read more and download here! Note: Some users with older Android versions and

New reloading data updated and Reload App update coming soon

We’ve added new reloading data in 8 different calibers, below is a link list of the calibers and bullets. All new data is naturally also available in our Vihtavuori Reload app. New reloading data available in the following calibers: .38 Special, new bullets: 125, 148 and 158 grs Berry’s, 158 grs X-treme, 158 and 180

Notice for Vihtavuori Reload App users: app login out of reach

The Vihtavuori Reload app will be out of reach for users due to unforeseen technical changes and maintenance. This will be impacting all Vihtavuori Reload Mobile application users (Android and iOS) from June 1st 2018 and onwards, continuing for an estimate of some days until a new technical solution has been implemented. During the downtime

Vihtavuori new Privacy Policy

We have updated our Vihtavuori Privacy Policy in accordance with the European Union’s General Data Protection Regulation (GDPR), which takes effect today on May 25, 2018. Please read our new and updated Privacy Policy here.

Tech blog: Powder grain shapes

The shape of powder grains has a profound effect on the performance of the powder charge, as it concerns both pressure and velocity. All Vihtavuori reloading powders are of the cylindrical, single-perforated extruded stick type. The differences in burning rate between the powders depend on the size of the grain, the wall thickness of the

N330 Handgun powder

The Vihtavuori N330 is a versatile, medium burning N300-series powder. This handgun powder provides a wide range of latitude for the handgun reloader, serving well for all kinds of shooting disciplines from light target to heavier high-velocity loadings. The grain length is 1,0 mm and the diameter is 0,8 mm. It’s suitable for an exceptionally

New Vihtavuori reloading data published!

This time, we’ve added new reloading data in 10 different calibers, featuring over 20 new bullets, with more than 140 new lines! Below is a link list of the calibers and bullets. All new data is naturally also available in our Vihtavuori Reload app. New reloading data available in the following calibers: .45 AUTO (.45

24N41 Rifle powder for the perfect .50 BMG load

Vihtavuori 24N41 is a single-based treated rifle powder very similar to the 20N29. It has a very large grain size (length 2,3 mm by diameter 1,3 mm) and an extremely slow burning rate ideally suited to the .50 BMG. It can also be used for some large capacity cases, such as the .300 Lapua Magnum,