Achieve precise powder measurement with this efficient metering assembly designed for charge weights between .5 and 17 grains. Built to enhance your reloading accuracy it features a smaller chamber specifically crafted for meticulous metering. Perfect for use in your lock-n-load powder measure this rotor ensures reliable and consistent performance for your reloading needs. Compatible with .50gr to 17gr charge weights it's an essential tool for precision pistol reloading.