Pappy,
Glock is very good gun,I still own a Glock 36..Have had 19-23-20
That would be 45-9-40-10 Respectfully.I like the feel of the Gen 4
better than Gen 3,but like Doug said they had some problems with Gen 4..Police in my area went to 22 Gen 4 and had to have all guide
rods replaced to operate properly.I used to shoot IDPA with my 19 and 23..Good luck finding what suits you.
Billy Poyner--RKO-RKS#5030--NRA Endowment--MM