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thought you might like to see this

Category: .284 7mm

Product: 7MM .284 139 gr GMX®

Shooter: Les

Posted: Aug 9, 2012

Here is a 3 shot group at 100 yds sand bags from a Ruger M77 in 7x57 Mauser that is 30 years old.
139 gr GMX, 46.5 gr win 760 powder, and a federal Gold medal match 210 primer winchester cases.