I use a Montana Bullet 350 gr gas check and data for the 510gnr. IMR 4227 and get 1050fps not max but easy shooting and accurate.
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500 linebaugh
- Jack s, 2019-06-05, 12:51
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- I’ve done as Gary suggested.... - Brent Clark, 2019-06-05, 22:01
- if you have one of our red reloading manuals - Gary Reeder, 2019-06-05, 12:59