As used in this chapter, unless the context otherwise requires:
(1) “Firearms accessories” means items that are used in conjunction with or mounted upon a firearm but are not essential to the basic function of a firearm, including, but not limited to, telescopic or laser sights, magazines, flash or sound suppressors, folding or aftermarket stocks and grips, speedloaders, ammunition carriers and lights for target illumination;
(2) “Generic and insignificant parts” includes, but is not limited to, springs, screws, nuts and pins; and
(3) “Manufactured” means creating a firearm, a firearm accessory or ammunition from basic materials for functional usefulness, including, but not limited to, forging, casting, machining or other processes for working materials.