The Carlson's Cremator Waterfowl Remington Pro Bore Choke Tubes put an end to "waterfowl cremation," which is the process of burying a bird that has been hit by a waterfowl cartridge. This Carlson's Choke Tubes choke tube features an oversized tip that extends the choke tube by 25%. The Carlson's Choke Tubes Waterfowl Remington Pro Bore Choke Tube creates a more gradual taper as the choke is used, allowing deformed shot pellets to enter the choke tube and not reform prematurely at the top