The tolerences are hit or miss {at best}and out of the 5 that I got, 4 missed, with flying colors. After ALOT of work, I got 3 of the 4 bad ones backtogether and 2 would actually group as long as I used very oversize pellets.
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One is still in pieces with ALOT of work left to do on itafter working on it for several dozen hours already. Compression tube is out of round and has a terrible wave pattern inside of it. Piston is way off center, and it'll probably be easier to weld together a new one.
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The other ones I just gave away, because my blood pressure would go up when I looked at them.
I'd ratherplink with nicely tuned Diana or FWB anyway . . . (http://../jscripts/tiny_mce/plugins/emotions/images/smiley-cool.gif)