Vihtavuori offers an updated, user-friendly reloading data center on its website. This data page works well with all formats — smartphones, tablets, and desktop computers. On this page you can find recommended loads for 80+ cartridge types all in one place. You don’t have to click through multiple web pages.

In addition, the Vihtavuori reloading website has a very handy Burn Rate Chart (see below). While you can get all the load info you need through the website, Vihtavuori also offers a very good FREE reloading Mobile App. Vihtavuori’s online Reloading Center has links to the handy Vihtavuori Reloading App for both Apple and Android devices.

Burn Rate Chart is Online

CLICK HERE to view full-screen Vihtavuori Burn Rate Table.

Vihtavuori offers a comprehensive burn rate chart that lists all Vihtavuori powders for rifles and pistols. This includes Vihtavuori powders in the left column and ranks them with powders from other brands: Norma, RWS, VECTAN, Reload Swiss, IMR, Hodgdon, Accurate, W-W Alliant, and Ramshot. CLICK HERE to see the full-size chart, which can be downloaded in PDF format.

NOTE: The listed powders are displayed in order of approximate burning rate. Vihtavuori cautions: “This list is for reference only and NOT to be used for developing loads.”

Find Optimal Loads with Reloading Data Tool

Example of Vihtavuori Load Data for Popular Cartridge

Here are the load results for the 6mm BR Norma (aka “6BR”) cartridge. Vihtavuori has full PDF tables like this for over 80 cartridge types. With the most popular cartridge types, such as .223 Rem, 6.5 Creedmoor, and .308 Winchester, the PDF tables have over 350 entries. In fact the .308 Win table has 641 loads!

Vihtavuori Procedures and Methods for Generating Load Data
Vihtavuori generates hundreds of new reloading data entries every year. But how is the load data actually produced? This video provides insight into how Vihtavuori professionals work with advanced equipment to provide reliable load data for handloaders.

Among AccurateShooter’s most-visited web pages have been powder relative burn rate reference guides ranking powders from fastest to slowest. Here is the latest version of the Powder Burn Rate Table. Compiled by Hodgdon Powder Co., this Burn Rate Chart displays the relative burn rates of 176 different powders. Shown below is the latest table, released by Hodgdon in July 2024.

You’ll want to download this Powder Burn Rate Chart PDF. This 176-entry comparison table provides vital information for hand-loaders — with tested burn-rates. Note — this invaluable chart is not limited to Hodgdon and IMR propellants. This burn rate chart includes powders from eight major powder-makers: Accurate, Alliant, Hodgdon, IMR, Norma, Ramshot (Western), Vihtavuori, and Winchester.

This chart (July 2024 version) provides useful information for all hand-loaders. When doing load development, and testing one powder versus another, it’s generally wise to choose propellants that share the same relative burn rate, as least for starters.

NOTE: Hodgdon powders are red, IMR powders are yellow, Winchester powders are blue, Accurate powders are gray, and Ramshot powders are orange. Powders from Alliant, Norma, and Vihtavuori appear on the chart with white background. DOWNLOAD Burn Rate Chart HERE as PDF.

POWDER GRAIN SHAPES — What You Need to Know

The shape of powder grains has a profound effect on the performance of the powder charge, as it concerns both pressure and velocity. There are multiple powder shapes including flake, ball, and extruded or “stick” (both solid and perforated).

So how does powder grain shape affect pressure and muzzle velocity?
In general, it can be said that powder that burns progressively achieves a desired muzzle velocity at lower maximum pressure than a powder that burns neutrally, not to mention a degressive powder. As grain size increases, the maximum pressure moves towards the muzzle, also increasing muzzle blast. Muzzle velocity and pressure can be adjusted by means of the amount of powder or loading density, i.e. the relationship between the powder mass and the volume available to it. As the loading density increases, maximum pressure grows.

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 cylinder, the surface coating and the composition. Cylindrical extruded powders can also have multi-perforated grains. The most common types are the 7- and 19-perforated varieties. A multi-perforated powder grain is naturally of a much larger size than one with a single perforation, and is typically used for large caliber ammunition.

Other types of powder grain shapes include sphere or ball, and flake. The ball grains are typically used in automatic firearms but also in rifles and handguns. The ball grain is less costly to produce, as it is not pressed into shape like cylindrical grains. Flake shaped grains are typically used in shotgun loadings.

Web thickness in gunpowder terminology means the minimum distance that the combustion zones can travel within the powder grain without encountering each other. In spherical powders, this distance is the diameter of the “ball”; in flake powder it is the thickness of the flake; and in multi-perforated extruded powders it is the minimum distance (i.e. wall thickness) between the perforations.

The burning rate of powder composed of grains without any perforations or surface treatment is related to the surface area of the grain available for burning at any given pressure level. The change in the surface area that is burning during combustion is described by a so-called form function. If the surface area increases, the form function does likewise and its behavior is termed progressive. If the form function decreases, its behavior is said to be degressive. If the flame area remains constant throughout the combustion process, we describe it as “neutral” behavior.

The cylindrical, perforated powders are progressive; the burning rate increases as the surface area increases, and the pressure builds up slower, increasing until it reaches its peak and then collapses. Flake and ball grains are degressive; the total powder surface area and pressure are at their peak at ignition, decreasing as the combustion progresses.

Learn More with FREE Vihtavuori Reloading APP »

This article originally appeared on the Vihtavuori Website.

The Vihtavuori and Applied Ballistics-sponsored duo of Chad Heckler and Francis Colon topped the Precision Marksman field at the 2025 Rocky Mountain Airgun Challenge. Held June 18-22, 2025, this 5-day event at the Garth Killpack Shooting Range drew a big crowd, with competitors from over 19 countries. Heckler with a score of 930 and Colon with a score of 900 placed 1st and 2nd respectively in the Precision Marksman Challenge event. Heckler’s victory earned him a $20,000 prize while Colon took home $10,000. Those are some of the biggest cash prizes in any rifle event.

Precision Marksman match winner Chad Heckler was elated: “Team CHANCIS secures the top two spots at the 2025 Rocky Mountain Airgun Challenge! Winning this event last weekend wasn’t easy, Justin and his Utah Airguns family and friends have created something special with this event. The attention to detail and love that was poured into this match was second to none”, said Heckler. “I feel honored to become the 2025 champ alongside [team-mate] Francis Colon. Congrats buddy.”

“There aren’t many times that I’m happy after taking second place, but earning the top two spots with my best friend is epic…” stated Colon. “Massive thank you to Justin Jacobson and the crew at Utah Airguns! This is not just a match… it is an experience! With 5 days of shooting over four disciplines and custom themes, props, music and food, it makes me excited for 2026!”

Tech Tip: If these rifles don’t look like conventional airguns it is because they employ a new design with a slim diameter air tank wrapped around the barrel. These FX DRS Pro MDT 700 Airguns are “designed with the air tank wrapped around the barrel … lowering the profile of the overall rifle, resulting in a very slim front end and an overall more balanced rifle.”

The Rocky Mountain Airgun Challenge

The Rocky Mountain Airgun Challenge (RMAC) is a challenging, multi-class tactical-style airgun competition. The RMAC event, hosted by Utah Airguns, is one of the biggest outdoor air rifle matches in the country. It combines the low-cost of air rifle shooting with the fun of PRS/NRL-type multi-stage shooting.

RMAC features four distinct events designed to test diverse shooting skills. The 100-Yard Benchrest event focuses on precision and wind-reading — most other airgun BR matches are at 50 yards or 50m max, so this is tough by comparison.

The Precision Marksman Challenge is a physically demanding event that requires shooters to engage reactive steel targets from various positions and obstacles under time pressure, utilizing both slugs and pellets. The Speed Challenge is a high-energy, head-to-head competition where shooters race through diverse courses of fire. Finally, the Big Bore Slug Challenge showcases the power and accuracy of slug-shooting airguns, with competitors engaging steel targets at distances from 100 to 450 yards.

Modern Tactical-Style Air Rifles

Here are two state-of-the-art tactical air rifles, the BinTac MCAR ($2790.00 from Airgun Tactical) and the FX IMPACT M4 ($2099.99 from Utah Airguns). The BinTac MCAR almost looks like a centerfire rifle at first glance but the air chambers on the buttstock tell the real story.

Among AccurateShooter.com’s most-visited web pages have been powder burn rate reference guides ranking powders from fastest to slowest. Here is a new, updated version of the Powder Burn Rate Table. Compiled by Hodgdon Powder Co., this Burn Rate Chart displays the relative burn rates of 176 different powders. Shown below is the latest table, released by Hodgdon in July 2024.

You’ll want to download this Powder Burn Rate Chart PDF. This 176-entry comparison table provides vital information for hand-loaders — with tested burn-rates. Note — this invaluable chart is not limited to Hodgdon and IMR propellants. This burn rate chart includes powders from eight major powder-makers: Accurate, Alliant, Hodgdon, IMR, Norma, Ramshot (Western), Vihtavuori, and Winchester.

This chart (July 2024 version) provides useful information for all hand-loaders. When doing load development, and testing one powder versus another, it’s generally wise to choose propellants that share the same relative burn rate, as least for starters.

NOTE: Hodgdon powders are red, IMR powders are yellow, Winchester powders are blue, Accurate powders are gray, and Ramshot powders are orange. Powders from Alliant, Norma, and Vihtavuori appear on the chart with white background. DOWNLOAD Burn Rate Chart HERE as PDF.

POWDER GRAIN SHAPES — What You Need to Know

The shape of powder grains has a profound effect on the performance of the powder charge, as it concerns both pressure and velocity. There are multiple powder shapes including flake, ball, and extruded or “stick” (both solid and perforated).

So how does powder grain shape affect pressure and muzzle velocity?
In general, it can be said that powder that burns progressively achieves a desired muzzle velocity at lower maximum pressure than a powder that burns neutrally, not to mention a degressive powder. As grain size increases, the maximum pressure moves towards the muzzle, also increasing muzzle blast. Muzzle velocity and pressure can be adjusted by means of the amount of powder or loading density, i.e. the relationship between the powder mass and the volume available to it. As the loading density increases, maximum pressure grows.

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 cylinder, the surface coating and the composition. Cylindrical extruded powders can also have multi-perforated grains. The most common types are the 7- and 19-perforated varieties. A multi-perforated powder grain is naturally of a much larger size than one with a single perforation, and is typically used for large caliber ammunition.

Other types of powder grain shapes include sphere or ball, and flake. The ball grains are typically used in automatic firearms but also in rifles and handguns. The ball grain is less costly to produce, as it is not pressed into shape like cylindrical grains. Flake shaped grains are typically used in shotgun loadings.

Web thickness in gunpowder terminology means the minimum distance that the combustion zones can travel within the powder grain without encountering each other. In spherical powders, this distance is the diameter of the “ball”; in flake powder it is the thickness of the flake; and in multi-perforated extruded powders it is the minimum distance (i.e. wall thickness) between the perforations.

The burning rate of powder composed of grains without any perforations or surface treatment is related to the surface area of the grain available for burning at any given pressure level. The change in the surface area that is burning during combustion is described by a so-called form function. If the surface area increases, the form function does likewise and its behavior is termed progressive. If the form function decreases, its behavior is said to be degressive. If the flame area remains constant throughout the combustion process, we describe it as “neutral” behavior.

The cylindrical, perforated powders are progressive; the burning rate increases as the surface area increases, and the pressure builds up slower, increasing until it reaches its peak and then collapses. Flake and ball grains are degressive; the total powder surface area and pressure are at their peak at ignition, decreasing as the combustion progresses.

Learn More with FREE Vihtavuori Reloading APP »

This article originally appeared on the Vihtavuori Website.

Ever wondered how factory ammunition is produced, from start to finish? How are brass cases made, how are bullets created, and how are finished cartridges produced on automated assembly lines? Today’s video showcase features six major factories that, collectively, produce bullets, powder, and finished ammo. We start with the Berger Bullet plant, follow by Vihtavuori powder production in Europe. Then we show the Remington (now Vista Outdoor) ammo plant in Utah, along with a Federal plant that produces rimfire ammunition. Last but not least, there’s an excellent, very informative video from the Norma ammo factory, plus a Hornady ammo plant video.

Bullets being seating at Hornady ammo factory.

Berger Bullets Factory Tour — Made in USA

In this video, Recoil TV takes a behind-the-scenes look at Berger Bullets, and how the outstanding, match-winning Berger bullets are created. The video covers the entire process — from raw materials, to the placement of bullet cores inside jackets, to the final ultra-consistent and uniform projectiles. To see the complete line of Berger Bullets, with full Ballistic data, visit BergerBullets.com

Vihtavuori Powder Production in Europe

Vihtavuori produces some of the most consistent, high-quality powder on the planet. Vihtavuori powders have been used to set world records and win countless championships in multiple disciplines. This excellent video goes inside Vihtavuori’s European production centers. It is really fascinating — you see how extruded powder starts with long spaghetti-like strings, before being finalized into the tiny sticks that we load.

Along with the powder production process, this video includes the entire VV production line, so you see how powder bottles are filled with powder and the tops of the bottles are secured by automated machines.

Remington Ammo Factory (Now Operated by Vista Outdoor)

This SHWATteam video visits the Remington ammunition plant in Arkansas. Vista Outdoor, the company that produces Federal, Speer and CCI ammo, purchased Remington’s ammunition business in Lonoke, Arkansas. Including the new high-tech plant in the back, this facility has the equivalent of 13+ football fields (1200 acres) under roof at its ammo plant, with over 1100 employees. Production capacity is impressive. When running at maximum output, this Remington ammo plant can crank out a staggering 7,000,000+ rounds every day. To produce that volume of ammunition, the facility needs a huge amount of resources: one million pounds of copper per month and 124,000 pounds of lead per day. Remington started manufacturing ammunition at this Lonoke facility in 1970, but some of the machines have been churning out ammo since long before.

Norma Factory Tour

Guys — honestly, if you do anything today on this site, watch this video. You won’t be disappointed. Guaranteed. This is a very informative (and surprisingly entertaining) video. Every serious hand-loader should watch this video to see how cartridge cases are made. The camera work and editing are excellent — there are many close-ups revealing key processes such as annealing and head-stamping.

VERY Informative Video Show Cartridge Brass and Ammunition Production:

Norma has released a fascinating video showing how bullets, brass, and ammunition are produced at the Norma Precision AB factory which opened in 1902. You can see how cartridges are made starting with brass disks, then formed into shape through a series of processes, including “hitting [the cup] with a 30-ton hammer”. After annealing (shown at 0:08″), samples from every batch of brass are analyzed to check metal grain structure and hardness. Before packing, each case is visually inspected by a human being (3:27″ time-mark).

Federal Rimfire Ammunition Production

Field & Stream Tours Federal Ammo Plant in Minnesota
A reporter for Field & Stream recently got a chance to tour the Federal ammunition production facility in Anoka, Minnesota. This large plant produces both rimfire and centerfire ammunition. While touring the plant, the reporter was allowed to capture video showing the creation of .22 LR rounds from start to finish. This is a fascinating video, well worth watching. Watch and learn how rimfire ammo is made.

Note to Viewers — After Starting Video, Click Speaker Icon to HEAR audio!

This revealing video shows all phases of .22 LR ammo production including cupping, drawing, annealing, washing, drying, head-stamping, priming, powder charging, bullet seating, crimping, waxing, inspection, and final packaging. We recommend you watch the video from start to finish. You’ll definitely learn some new things about rimfire ammo.

Hornady Ammunition Factory

If you wonder how ammo is made, starting with raw metal, check out this video from Hornady. It shows how bullet jackets are formed from copper, followed by insertion of a lead core. The jacket is then closed up over the core with the bullet taking its final shape in a die (a cannelure is applied on some bullet types). Next the video shows how cartridge brass is formed, starting with small cups of brass. The last part of the video shows how cases are primed and filled with powder, and how bullets are seated into the cases, using an automated process on a giant assembly-line.

Congratulations to Team Vihtavuori member Doug Koenig on winning the 2024 CMP Bianchi Cup Championship, one of the world’s most prestigious pistol tournaments. Koening took the 2024 title with an impressive 1920-183X Grand Aggregate. Koenig’s 2024 Bianchi Cup title marked a major milestone. This was Koenig’s 20th time winning the prestigious pistol championship. To learn more about Doug’s accomplishments, visit KoenigShooting.com.

The 2024 CMP Bianchi Cup was hosted by the Green Valley Rifle & Pistol Club in Hallsville, Missouri on May 21-24, 2024. For the second year, the Civilian Marksmanship Program (CMP) governed the international competition. In partnering with Green Valley, the CMP seeks to grow the event with more shooters and new divisions. The Bianchi Cup, known as the gold standard in action pistol shooting, has a 40+ year history and attracts the world’s leading competitive pistol shooters.

Koenig, who loads his pistol ammo with Vihtavuori N320 powder, was in a tight race with fellow Team Vihtavuori member Bruce Piatt. Piatt finished in a close second place, followed by SSG Walter Johnson, SSG Anthony Heinauer, and Benito Martinez. The top finishers were only separated by a mere 5 bullseyes.

These two videos show Doug Koenig in action in past years at the Bianchi Cup Range.

POWDER GRAIN SHAPES — What You Need to Know

The shape of powder grains has a profound effect on the performance of the powder charge, as it concerns both pressure and velocity. There are multiple powder shapes including flake, ball, and extruded or “stick” (both solid and perforated).

So how does powder grain shape affect pressure and muzzle velocity?
In general, it can be said that powder that burns progressively achieves a desired muzzle velocity at lower maximum pressure than a powder that burns neutrally, not to mention a degressive powder. As grain size increases, the maximum pressure moves towards the muzzle, also increasing muzzle blast. Muzzle velocity and pressure can be adjusted by means of the amount of powder or loading density, i.e. the relationship between the powder mass and the volume available to it. As the loading density increases, maximum pressure grows.

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 cylinder, the surface coating and the composition. Cylindrical extruded powders can also have multi-perforated grains. The most common types are the 7- and 19-perforated varieties. A multi-perforated powder grain is naturally of a much larger size than one with a single perforation, and is typically used for large caliber ammunition.

Other types of powder grain shapes include sphere or ball, and flake. The ball grains are typically used in automatic firearms but also in rifles and handguns. The ball grain is less costly to produce, as it is not pressed into shape like cylindrical grains. Flake shaped grains are typically used in shotgun loadings.

Web thickness in gunpowder terminology means the minimum distance that the combustion zones can travel within the powder grain without encountering each other. In spherical powders, this distance is the diameter of the “ball”; in flake powder it is the thickness of the flake; and in multi-perforated extruded powders it is the minimum distance (i.e. wall thickness) between the perforations.

The burning rate of powder composed of grains without any perforations or surface treatment is related to the surface area of the grain available for burning at any given pressure level. The change in the surface area that is burning during combustion is described by a so-called form function. If the surface area increases, the form function does likewise and its behavior is termed progressive. If the form function decreases, its behavior is said to be degressive. If the flame area remains constant throughout the combustion process, we describe it as “neutral” behavior.

The cylindrical, perforated powders are progressive; the burning rate increases as the surface area increases, and the pressure builds up slower, increasing until it reaches its peak and then collapses. Flake and ball grains are degressive; the total powder surface area and pressure are at their peak at ignition, decreasing as the combustion progresses.

Learn More with FREE Vihtavuori Reloading APP »

This article originally appeared on the Vihtavuori Website.

Powder Valley has added Norma products to its extensive inventory of ammunition, reloading components, tools, and shooting accessories. Powder Valley is now carrying Norma products for shooters and handloaders. Norma ammo and components are developed with the high quality raw materials and tight tolerances to ensure long life and accuracy.

About Norma Precision AB
Dedicated to outfitting shooting enthusiasts with quality products since 1902, Norma started out in a small Swedish town and is now a top global brand boasting more than 350 employees, most of whom are hunters, shooters, and reloaders themselves. For hunting and target shooting applications Norma manufactures many millions of rounds annually for 100+ different cartridge types.

VERY Informative Video Show Cartridge Brass and Ammunition Production:

Here’s a cool video showing how bullet, brass, and ammunition are produced at the Norma Precision AB factory. You can see how cartridges are made starting with brass disks, then formed into shape through a series of processes, including “hitting [the cup] with a 30-ton hammer”. After annealing (shown at 0:08″), samples from every batch of brass are analyzed (at multiple points along the case length) to check metal grain structure and hardness. Before packing, each case is visually inspected by a human being (3:27″ time-mark). The video also shows how bullets are made from jackets and lead cores. Finally, you can watch the loading machines that fill cases with powder, seat the bullets, and then transport the loaded rounds to the packing system.

12 Days Of Christmas Contest at Powder Valley

Beginning Monday, December 4, 2023, Powder Valley has been running a major give-away contest, with prize products from a different maker each day. Today, 12/6/23, Berry’s Bullets are the Prize. And, TAKE NOTE readers, tomorrow 12/7/2023 Lapua, Berger, and Vihtavuori products are the Daily Contest Prize. If you need Lapua Brass, Berger Bullets, or VV powder, be sure to enter before end of day 12/7/2023. The 12 prizes vary by day and by value. Each day’s prize will be posted on Facebook and Instagram. WINNER SELECTION: A random drawing will be conducted the following day by Sponsor or its designated representatives. The Sweepstakes began on 12/4/23 and ends on 12/15/23.

About Powder Valley
Powder Valley began in 1984 as Dexter Automotive, the first master distributor of Accurate powder. In 2000, Bryan and Noel Richardson purchased the company and moved operations to Winfield, Kansas with a focus on providing the finest in reloading components at the best possible price. Powder Valley expanded its vision to offer every type of powder and primer available so reloaders would have a single shopping source. Since then, Powder Valley has grown into the largest distributor of canister powder in the United States and currently carries an ever-expanding offering of high-quality bullets, brass, wads, shot, gun care items, and ammunition at an excellent value.