My old roommate bought one and fed it full-house loads-- it functioned great until the super-soft hammer just sort of ground down from the slide's action on it. Bought a replacement hammer from Interarms that simply could NOT be made to fit. I sent him to my gunsmith (OLD man), who worked on it, threw the new hammer away, and just built up the old one and re-hardened it.
The great thing about the PD is the very nice lightweight easy carriability. The unfortunate thing about it is the softness of the materials. I would say that this is a dead bang reliable piece for someone who wansn't going to shoot it a whole lot, but if you know that you're going to practice a lot, find yourself a [used] lightweight Colt Officer's ACP-- they hold up better.
Note-- although potentially very accurate, these little guns are a handful, and require regular practice. They really fall near the category of "expert's gun" for regular carry. Go ahead and humble yourself occasionally by shooting it right after shooting a full-sized Government Model or Gold Cup.
BTW, my buddy's came with Pachmayers, and he sent off to Interarms for the walnut stocks, which are MUCH thinner, and of very high quality-- very dense grain, high checkering, and good fit. I was impressed, for $22.00! They make the pistol much more carryable.
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Will you, too, be one who stands in the gap?
Matt