Define cold?
Define decent trigger feel?
Something like these
TERMINATOR GLOVE - Black Diamond Ski Gear work very well at keeping the digits warm while allowing finger task. I have used these and others that are similar with good performance down to -25 or so in the alpine world of excitement. I also have 200wgt open weave fleece gloves that I dabbed SeamGrip dots and such on the fingers, thumb and palm for trekking, skiing and camp duty. For firearms, I currently run these
Hatch short gun long all 4 seasons for all my shooting and training. More users wear gloves too large and sloppy that causes less dexterity.
More than gloves, hydrate,, stay hydrated, take 80mg aspirin or garlic pills to thin the blood. Exercise to keep the body working at its optimum and to recover. Eat high calorie long burning fat food in the AM and snack on quick burning calorie food during the day.