I've tried 115s and 147s and settled on 147s loaded to ~138 pf. I arrived at this pf by simply taking my powder-puff Trojan ammo (~129) and putting it in my Glock. Just the right combination of "pop" and "push." Also, a 138 pf 147 crunches steel.

Tad

A C Nohsey
aka "Tad"
A28263