Hevi-Shot Choke Tube - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available.
Pattern-Density Technology designed. Features internal axial rings to keep the shot cloud on-target. Porting reduces recoil and muzzle jump, drops gas pressure at the muzzle and helps the wad and shot cloud separate. Made from aircraft stainless steel with knurled fore-ends.