The term "gunsmith" lathe is nonsense. Best lathe is HEAVY. I'm fond of1640's. With this swing I can use the lathe for all sorts of non-smithing stuff. Needs a spindle bore of 2". HP, if I have my way would be 5-7.5HP. Best 4 Jaw money can buy -- D6. Swiss toolpost, Dorian or Aloris in the alternative. Relatively short thru headstock. Good tooling like Sandvik or similar. Coolant. Newall DRO.
Some will claim overkill. I'm a retired gunsmith, and I liked a big, heavy powerful lathe. Today, I would look for something like Blue Line from Japan, a clean used Mori, Graziano, Cazaneuve or something along those lines. I hear the new Colchester lathes are very sweet if you want to buy new. There are plenty of great machines out there.
Nowadays, I use a PM 1340 for most stuff, but if I went back to work I would be using a more serious machine. PM is a fine hobbyist machine, but not very good for heavy daily use IMHO.
Squire
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