52 grains is case capacity to top of neck, so 46 should be the practical limit. If you must have more speed or powder capacity a 3006 reamer is the answer, after all the 308 is just a 3006 that didnt eat its veg when it was little.
52 grains is case capacity to top of neck, so 46 should be the practical limit. If you must have more speed or powder capacity a 3006 reamer is the answer, after all the 308 is just a 3006 that didnt eat its veg when it was little.
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