Thanks Jack, now I need to find someone with wood working tools and a trip to the welding supply store
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heres a crappy video of it firing apples this fall

hello fellow spud gunners, my name is Cameron and i have built a basic pneumatic with a jar top valve, 3" chamber, and interchangeable 2" SCH 80 or 3" SCH 40 barrels http://i766.photobucket.com/albums/xx303/cjhartda9/20130624_140635_zpsde18f68a.jpg the above image is the origanal configuation that i...