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Old April 3, 2005, 08:56 AM   #8
Senior Member
Join Date: December 2, 2004
Location: Murderapolis
Posts: 521
Vihtavuori. I sure am liking this line of powders. It sure ain't the cheapest, but for high performance and clean burning loads it's my ticket. They're N3xx powders are just excellent. N340 is a favorite of mine, especially for .45 ACP's.

Handgun powders include five N300 series propellants and three special propellants:

N310: Very fast burning and competitive with Bullseye and Accurate No.2. It has applications in a very wide range from the .25 ACP to the 9mm Luger.

N320 is a handgun powder of comparatively fast burning rate. Useful in many popular cartridges. Currently available data includes 9mm Luger, .38 Special, .357 Magnum, .44 Magnum, .45 ACP and .45 (Long) Colt. Burning rate generally is perhaps a tad faster than 231 or generally about like Red Dot.

N330: This is a handgun powder that has a burning rate similar to Green Dot, No. 5, or PB. Data is currently available for 9mm Luger, .38 Special, .40 S&W, .44 S&W Special and .45 (Long) Colt.

N340: With a burning rate not dissimilar to Winchester 540 or Herco, this powder is a wide application type. Data for the following handgun cartridges is currently availa-ble:.30 Luger, 9mm Luger, .38 S&W (Colt New Police),.38 Super Auto, .38 Special, .357 Magnum, .44 Magnum, .45 Auto and .45 (Long) Colt.

N350: This is the slowest burning propellant in the N300 series. Burning speed is about like Blue Dot, “Hi-Skor” 800-X or No. 7. Data is currently available for: 9mm Luger, .38 Super Auto, .38 Special, .357 Magnum, .44 Magnum and .45 Auto.

3N37: Burning speed is between N340 and N350, close to “Hi-Skor” 800-X, and it therefore has applications also.
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Vihtavuori Reloading Guide 1/2004
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