yes,you can pull off your turkey at 160°F and it is completely safe to eat. according to usda , it is essential for turkey to reach the temperature of 160°F to be considered safe for eating. it is because of the bacteria and other pathogens that might be present on turkey. once the temperature of turkey exceeds 160°F, then almost all of the pathogens are killed and it becomes safe to eat. but if you want it to become more tender so that it should fall off the bones,then you can smoke t for some time to increase its flavor and tenderness