Most damaged barrels can be repaired, won't be cheap though.
I've got an L barrel on US Ebay Motors (item #150339049158) right now, mainly as I'm curious to see what they fetch these days. I'll ship it to NZ for the same cost as to the states.
I've moved this to classifieds, try to keep discussions and ad's seperate please.
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Please do not PM me technical questions, if you can't find it on the Forum start a thread