Originally posted by A_National_Acrobat
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I did a 20 round Lapua 7.62x39 resized brass test, using Fed 210 primers for my RAP. The lessened case capacity has convinced me not to go much further with the experiment. It's hard enough to get enough powder in the case for good velocity as it is with factory 6.5 grendel brass.
Others have posted on the forum of short case life for reloaders, fast primer pocket enlargement.
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