Thanks for the info everyone has shared.
I got confirmation that TK can machine the cylinder to accept 9mm.
If I proceed, I'll share how it goes.
Slabside2, I think your 442 is the first I've seen converted to 9mm, and it's good to know that the cylinder and frame can handle 9mm pressures.
Hello all,
I'm wondering if the 640 Pro can be converted to shoot 9x19mm?
I realize that since the Pro is already able to take 38/357 moon clips, does this impact the ability of a vendor such as TK Customs to modify the cylinder to also accept 9mm moon clips?
Another option is to have a...