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Long Range Hunting & Shooting
Powder for 338 lapua?
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<blockquote data-quote="30-338" data-source="post: 197984" data-attributes="member: 10349"><p>Hey Sniperboy...</p><p>I have tried US 869, Retumbo and Viht N-170. The Vihtavuori powder was my go to load and I got good consistency FPS @ 2675FPS ( low spreads etc)...I used 89 grains but I have a 28.5 inch barrel...Now I use Retumbo , 90 g and get about 2750...We switched to Retumbo because we were trying to simplify our loading procedure with fewer powders and using the same powder for different magnun rifles ( Lapua, 30-338, 300RUM ) and we did it! It makes things a lot easier...I think I remeber that Vihtavuori is a temperature "insensitive" powder like the extreme from Hodgdon. BTW Quickload says that with 90 grains N-170 in a 25 inch barrel there remains 1.84% of the powder unburned...IS that why you thought you needed a faster powder or were you meaning a slower powder? Shawn has had good luck using H1000, and has gotten a little less velocity but excellent consistency.good luck 30-338</p></blockquote><p></p>
[QUOTE="30-338, post: 197984, member: 10349"] Hey Sniperboy... I have tried US 869, Retumbo and Viht N-170. The Vihtavuori powder was my go to load and I got good consistency FPS @ 2675FPS ( low spreads etc)...I used 89 grains but I have a 28.5 inch barrel...Now I use Retumbo , 90 g and get about 2750...We switched to Retumbo because we were trying to simplify our loading procedure with fewer powders and using the same powder for different magnun rifles ( Lapua, 30-338, 300RUM ) and we did it! It makes things a lot easier...I think I remeber that Vihtavuori is a temperature "insensitive" powder like the extreme from Hodgdon. BTW Quickload says that with 90 grains N-170 in a 25 inch barrel there remains 1.84% of the powder unburned...IS that why you thought you needed a faster powder or were you meaning a slower powder? Shawn has had good luck using H1000, and has gotten a little less velocity but excellent consistency.good luck 30-338 [/QUOTE]
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Powder for 338 lapua?
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