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thompson drum troubles

jetmekjetmek Member Posts: 250
edited April 2008 in Ask the Experts
just got a repro crosby L drum for my 1927a1 but it jams badly. shells drag on the bolt pushing it up. scrapes brass off the shells sometimes they get jammed sideways in the feed ramp also seems to fire out of the block and blows the primer out.i think the upward pressure keeps the bolt from fully closing. can this thing be tweaked to feed properly? seems like a little bending on the tin where the shells feed might fix it. or should i not mess with it, send it back to numrich and try to find an origional($$$) ? the gun fires ok with the stick mag


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