These UV3XL™ SE - Hunting Cartridges are back compatible with all UV3XL scopes.
Easily swap to a 3-pin, double-pin or a single-pin setup in seconds all without having to change your yardage marks due to the middle pin in all cartridges being fixed.
The 3-Pin Cartridge comes with pin colors of Green-Yellow-Green in 0.015" with a yellow 0.010" bonus pin at the very bottom.