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The 3 Mile Islad Thunder Mug

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AMG2000

32 Cal.
Joined
Nov 29, 2012
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My Latest Thunder mug it will have a base I call it the 3 Mile Island Mug when it goes bang you know it. It has a 7/8 bore and is 2.350 dia by 4.5" high and uses,s 250 grains not as big as my other one i made in which weighs close to 70 lbs

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