The Accurate Reloading Forums THE ACCURATE RELOADING.COM FORUMS Rifles Wildcats And Their Development 338 WhisperGo | New | Find | Notify | Tools | Reply | |
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G;day I recently had a barrel chambered in 338 whisper. It is 1:10 twist. Is this going to be ok to stabilise a 250 grn Lapua BT @ 500 meters & topple Rams? Can anyone send me reloading info? regards leadlauncher | ||
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I have an action in for re-barreling at SSK. I think it is getting a 1-8 twist barrel. Message me in a month and I will give you any data I develop or get from the gunsmith. Ranb | |||
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Quote: One of your compatriots has one and is using a far faster twist. We have a similar round called the 338 Spectre and when using the 1 in 7 twist barrel from PacNor are able to stabilize 160 through 250 grains, the latter at subsonic velocity. The 300 gr Sierra HPBTMK was not stable at that twist and would require 1 in 6 or 1 in 6.5 ... Your fellow Aussie is finding that this twist is giving the desired results. The 1 in 10 may not be fast enough, the 1 in 8 would likely work for all but the 300s .... | |||
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