thanks very much for the info! I was only curious about the composition of the parts, as i didn't know if the -4 guns were still using forged or if the switchover occured already. I'm confident that either forged or MIM would suffice for my (and probably most folk's) needs. I have yet to shoot it, and will probably wait until I install the X-frame grip that is inbound. I'll be sure to report back though. thanks, from a fellow Arizonan (Mesa).
Doug
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