Glock is number 1 for obvious reasons: Reliability, trigger. very low maintenance.
Ruger and HK P-2000 TIED FOR GOOD TRIGGERS AND RELIABILITY
Springfield XD-SERIES #3
Sig Sauer number 4
We have had all of these guns in our rental dept and Glock after 500,000 rounds shoots just as good as the day it arrived.
There you have it if you are considering buying your first gun or 50th gun take it from us. This is extremely accurate information