Upgrade your AR15 or M16 with the KNS Precision Gen 2 MOD 2 Non-Rotate Trigger/Hammer Pins. Designed with a .1555 diameter, these pins ensure a secure fit and prevent rotation, enhancing the reliability of your firearm. The sleek black finish not only adds a touch of style but also resists wear and corrosion. Ideal for both seasoned shooters and enthusiasts, these pins are easy to install and provide peace of mind during operation. Elevate your shooting experience with this essential upgrade!