I am on about my third thousand of the IDP #6. I started out about the canula too. Right now I am at 1.164" OAL. I am using 5.3gn of HP38 with Starline brass.
I still have occasional problems with the pistol going into battery. I have found that it was primarily because I was not using enough lube on the gun.
I use the Lee four die set.
http://i1047.photobucket.com/albums/...ps71267e1c.jpg