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1 Customer service:Nammo Lapua BOX 5, FIN-63101 Lapua, Finlandtel. +358 6 4310 111, fax. +358 6 4310 GUIDEfor Centerfire CartridgesMore information:Vihtavuori RELOADING Manual,3rd edition2 9, Accurate , , , , , , IMR , , IMR , , , Accurate , , 4197, , , IMR , Accurate 7, , IMR , , , Accurate 3032, , (2), , Accurate , , 12, , IMR , , IMR 4065, , Accurate , IMR , , , Accurate ArmsCurrent canister powders in order of approximate burning rate. This list is approximate onlyand not to be used for developing : KALTRON PETTIBONE, 1241 ELLIS ST. BENSENVILLE, IL 60106 PHONE (630) , , , 1000, 2, Accurate Dot, , , Scot, , , , 700-X, IMR , , Dot, , , IMR 5, Accurate Scot, , , , , IMR , , , , , , IMR 1250, , 800-X, IMR 7, Accurate 1500, , , , Dot, , VIHTAVUORIB urning Rate 15, , , , , , , Accurate , IMR , , 4351, 19, , , , IMR , , Accurate , , 22, , IMR , Accurate , , , , , VIHTAVUORI3 Table of ContentsBURNING RATE for.

2 50 THE To Use The AND STORAGEOF SMOKELESS of To Check SmokelessPowder For For StorageOf Smokeless For StorageOf Smokeless - 10 RIFLE RELOADING - PPC - PPC - BR - 166mm Weatherby x 55 - - .283 Winchester Weatherby - 08 x Rem. Weatherby - x 54R ( Russian)28- GP31 ( Swiss). - 06 - H&H Norma Winchester - Weatherby LAPUA Remington Ultra Weatherby x Mauser (8 x 57 JS).. Winchester LAPUA Norma x x H&H Winchester BR x 49 Long Long - 459 x Super - LAPUA - - Remington Remington Remington Winchester SMOKELESSLOADS FOR COWBOY Remington DISTRIBUTORSLIST IN new Vihtavuori RELOADING GUIDE 2/2002 for Centerfire Ammunition is an updated version ofthe previous Vihtavuori RELOADING GUIDE 1/2002.

3 The contents of this new issue 2/2002 has beenrevised with new loading data for:- Lapua's famous 200 gr D166 FMJBT bullet in cal. x 54R,- cal. x 55 GP31( Swiss,- cal. 300 Remington Ultra Magnum,- cal..38 LAPUA Super, Lapua's improved .38 Super the loads in this GUIDE are pressured according to the CIP method. The maximum loads givenin the tables are determined according to the CIP/SAAMI maximum pressure specifications,whichever is lower. The listed maximum loads must never be to the differences in the cartridge components, individual weapons, shooting temperaturesetc. always start developing your load by using the starting load according to the loading data. If thereis no indication of the starting load, use 15 % lower charge than the listed maximum load as yourstarting Vihtavuori powders are manufactured by Nexplo Vihtavuori Oy in Vihtavuori plant.)

4 Salesand marketing of RELOADING powders as well as customer service is carried out by Nammo Lapua powders are distributed through Vihtavuori Distributors. The list of Distributors can befound at The contact information for customer service isgiven in the back of this wish you successful RELOADING with Vihtavuori NEW VIHTAVUORI RELOADING GUIDE 2/2002 REPLACESALL RIFLE AND HANDGUN RELOADING DATA PUBLISHED INPREVIOUS RELOADING GUIDES INCLUDING EDITIONS FROM 1stTO 7th. IN ORDER TO ENSURE THE HIGHEST POSSIBLE LEVEL OFSAFETY PREVIOUS GUIDES SHOULD NO LONGER BE : A very slow burning magnum propellant for usewith heavy bullets. Applications begin very heavy bulletsin the .30-06, and include the .338 Winchester : Our slowest speed propellant and the slowestcanister RELOADING powder generally available from anymanufacturer.

5 N500 seriesAdding nitroglyceriol to the traditional single base pow-der makes possible in addition to geometry and coating athird controlled variable of ballistic properties: energycontent. Vihtavuori calls powders which have nitroglycer-ol added (maximum 25 %) high energy NC-powders,which form N500 nitroglycerol to the high energy N500 series isdone by impregnation. After that the grains are coatedwith a new type of chemical which results in very progres-sive burning composition of a typical high energy powder is asfollows:*nitrocellulose*nitroglycerol* coating agent*stabilizer*flame reducing agent*wear reducing agentGeometrically the powders in the N500 series are equalto the N100 series. Although these new powders have ahigher energy content, they do not cause greater wear tothe gun. This is because the surface of the powder hasbeen treated with an agent designed to reduce barrel series powders work well at different tempera-tures, even better than the traditional N100 and N300series.

6 Temperature sensitivity naturally depends verymuch on the weapon and on the cartridge. The manufac-turing technique employed permits a very high bulkdensity, which in turn makes it possible to use a biggercharge in a certain limited loading High Energy powders are available in threeburning rates:N540: Burning rate like N140. Especially for .308 : Burning rate like N150. Especially for .308 Win-chester and .30-06 : Burning rate like N160. Especially for .270 Win-chester and x 55 Swedish For .50 BMGFor .50 BMG there are two special Vihtavuori pow-ders available, 24N41 and 20N29. They are, like N100series, single base surface treated powders. The burn-ing rate of them is slower and their grain size is largerthan that of the N100 series rifle powders. 24N41 isslightly faster burning than PowdersN100 seriesThe series N100 powders are primarily rifle powders, withsuitable speeds to optimize handloading from the tiny.

7 17 Remington and .22 Hornet all the way to the monsterbashing .458 Winchester Magnum. There are ten speedsin this series and they include:N110: This is a very fast burning propellant that can beused in applications which previously used Hercules 2400,Hodgdon H110, or Winchester 296. Typical applicationsinclude: .22 Hornet, .25-20 Winchester, .357 S&W Mag-num, .357 Maximum, .44 Magnum, and .45 120: This speed needs higher pressure than N110 inorder to optimize burning. Burning rate falls near thevarious 4227s. It works superbly with comparatively lightbullets in .22 caliber cartridges. It is, by nature, a limitedapplication : Burning rate is between IMR4227 and the discon-tinued Winchester 680. This is the powder used in factoryloaded .22 and 6mm : This speed is very close to IMR 4198 in , it is ideal for the .222 Remington, .223 Remington,and.

8 45-70 Government and other applications where arelatively fast burning rifle propellant is : This is a moderate burning propellant. It will fitapplications similar to Hercules Reloder 12, IMR-4895 orIMR 4064. Applications range from the .17 Remington tothe .458 : This powder can usually be used in place ofHercules Reloder 15, IMR 4320, and Hodgdon include: .222 Remington Magnum, .22-250 Remington (factory powder), .30-30 Winchester, .308 Winchester, .30-06 Springfield, .375 H&H Magnum, andso : This is a moderately slow powder that can helprefine rifle cartridge ballistics when N140 is just a tad toofast and N160 is a tad too slow. Works well in manyapplications previously filled by 760, H414, and : A relatively slow powder ideally suited to manymagnum and standard rounds requiring a slow propel-lant. It has characteristics that makes it work well forapplications previously using various 4350 s, HerculesReloder 19, and the various 4831 s.

9 For example someideal applications are: .243 Winchester, .25-06 Reming-ton, .264 Winchester Magnum, .270 Winchester (factoryload), 7mm Remington Magnum, .30-06 Springfield, .300 Winchester Magnum, .338 Winchester Magnum, .375H&H Magnum, etc. This is destined to being one of ourmost popular PowdersHandgun powders include the five N300 series propel-lants and two special propellants:N310: Very fast burning and competitive with Bullseyeand Accurate It has applications in a very wide rangefrom the .25 ACP to the 9mm is a handgun powder of comparatively fast burningrate. Useful in many popular cartridges. Currently availa-ble data includes 9mm Luger, .38 Special, .357 Magnum,.44 Magnum, .45 ACP and .45 (Long) Colt. Burning rategenerally is perhaps a tad faster than 231 or generallyabout like Red : This is a handgun powder that has a burning ratesimilar to Green Dot, No.

10 5, or PB. Data is currentlyavailable for 9mm Luger, .38 Special, .40 S&W, .44 S&WSpecial and .45 (Long) : With a burning rate not dissimilar to Winchester540 or Herco, this powder is a wide application type. Datafor 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) : This is the slowest burning propellant in the N300series. Burning speed is about like Blue Dot, Hi-Skor 800-X or No. 7. Data is currently available for: 9mmLuger, .38 Super Auto, .38 Special, .357 Magnum, .44 Magnum and .45 : Burning speed is between N340 and N350, close to Hi-Skor 800-X, and it therefore has applications also inhandgun cartridges. Data is currently available for allpopular handgun calibers. The characteristics of thispropellant makes it very desirable for competitive hand-gun : A powder for the high velocity loads of the 9mmLuger and the.