Firing The Largest Caliber Rifle Ever Produced

Contributed by: masodo on Friday, August 02 2013 @ 06:55 am UTC

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BlogDogIt - Firing The Largest Caliber Rifle Ever Produced
http://blogdogit.com/article.php?story=20130802095552264

[*1] http://www.businessinsider.com/check-out-the-largest-caliber-rifle-ever-produced-2013-8