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Old 01-01-2013, 8:18 PM
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El Toro El Toro is offline
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nope. Googled using mag primers in 9mm and the consensus is 90% good to go. There are some key issues such as possible bolt face erosion but sounds like many guys have never experienced this while only 1-2 have for certain.

Im using a plated bullet and all I have right now is w231 and unique. I want to be sure the mag primer, bullet weight and powder characteristics are compatible. Not sure of myself yet.
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