Buck Kicker chokes are designed to provide unmatched control and consistency for buckshot loads. These chokes can handle shot sizes ranging from 000 - #4 buck. Finished in matte black and now also available in camouflage, they are compatible with most 12, 20 and 10 Gauge models. With the proper combination of choke and shot size, the Buck Kicker choke produces a consistent 20 inches - 22 inches pattern at 40 yd, with effective patterns extending out to 60 yd. Although Buck Kicker chokes perform well with all types of buckshot, copper plated pellets provide the best results for optimal performance. Kick's Buck Kicker extended choke for buckshot, designed with a diagonally ported configuration to reduce recoil, ensuring more manageable shooting and increased accuracy during rapid follow-up shot Conical/parallel internal configuration for optimized gas flow and improved performance Easily installs and removes by hand No special wrench or tool needed