I would recommend the DG switch also for one handed use, but as a resident of Kentucky, I must remind you to hunt at night is illegal, especially with a flashlight of any sorts.
"Those who want to live, let them fight, and those who do not want to fight in this world of eternal struggle do not deserve to live." Adolf Hitler
G17, G19, and many other non Glocks
Ex navy nuke ET1 aboard USS Providence, SSN-719