I'd like to shoot either 124 or 147 in my G17 when I buy it. I'll try different brands to see what the gun likes, but I don't want to waste time finding out that the 124 gr shoots low, or the 147 shoots high, etc. So can someone who's already been down this road help me out? I intend to shoot mostly hardball. If anyone has a defense round recommendation -- especially if it's HST -- say on. If carrying for SD, do I bother with +P or +P+? I favor heavy bullets and carry 180 HST in my 22. Will 147 gr HST be more or less the platform + ammo equivalent? Thanks!