Pat drumsticks dry and season with salt, pepper, and smoked paprika.

Whisk BBQ sauce, ketchup, brown sugar, vinegar, and garlic powder in a bowl.

Place drumsticks in slow cooker and pour sauce over them, turning to coat.

Cook on low for 4-5 hours or high for 2-3 hours, until meat pulls from the bone.

For a glaze, brush with extra sauce and broil 3-5 minutes on a sheet pan.