I’m out of 2217 and have 2lbs of unopened Retumbo, anyone got any info to with Retumbo ? Will be using magnum primers too .
Cheers lads
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I’m out of 2217 and have 2lbs of unopened Retumbo, anyone got any info to with Retumbo ? Will be using magnum primers too .
Cheers lads
I run 2217 in my wifes Tikka 6.5 PRC, 24" Barrel. 143gr ELDX Lapua brass & FED210m Primer. 59gr of 2217 gives me 2960fps & this is what i run it at, shoots great. Have gone up to 60.5gr which gave slight pressure signs & 3060fps.
I tried a ladder of 2225 early on, cant recall what it grouped like just see i have written in my book that i ran a ladder from 58gr up to 61gr & by 61gr it was pretty heavily compressed & gave 2984fps. No pressure signs but if memory serves, wont get any more powder in the case.
If you want to just stick with 2217 i can probably spare some.
ADI has load data for ar2225 which is similar to retumbo on there website.
Adi 2225 is the same powder as retumbo repackaged for hogdon.Quote:
Originally Posted by Doon
Use the same data
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What info do you need?
Follow the data and do a workup. Stop and dial it back the moment you see even the faintest hint of pressure signs or the velocity exceeds what the data says you should be getting. Something along the way will group well.