I made a pair of potato gun barrels out of a couple of them with a 1" electric valve fed off an old 20# propane tank and hose. At 140 psi this thing recoils the slugs gone. Dented in a junk Toyota door big time in a test.
Really, save them for other use for the brewery as well the cut lid as many people throw away.
Add a stainless washer to the bottom, mount as a holder on your stand for stir and other tools.
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Bier Jagdwaffe... Bier 30 zeit.....~~=o&o>..........
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