For use with only the UV3XL - This Lens Cartridge allows you to have individual cartridges pre-setup for all your disciplines of archery; 3D, Field, Indoor, Outdoor, etc… 

• Installs into the UV3XL scope
• Please note; It will not fit the UV2
• The cartridge is keyed ensuring your point of impact does not change when you swap it out
• This lens cartridge will hold both a lens and pin-ring at the same time (unlike the UV2 cartridge)
• The cartridge is constructed out of a high quality molded polymer core
• Does not come with a lens installed - must purchase a lens separately
• Accepts lenses with a diameter of 1.750"