Carlsons Delta Choke Tube Set Features The Carlsons Choke Tube Delta Set gives 20 gauge shooters three dedicated chokes each manufactured from 17-4 stainless steel and engineered specifically for steel shot patterns at different ranges. The close range tube is purpose built for hunting over decoys delivering its tightest pattern out to 35 yards for birds working close to the blind. The mid range tube bridges the gap for shots between 25 and 40 yards a common distance for pass-shooting or decoying situations that require a bit more reach. The long range tube is Carlsons best patterning option for shots at 40 yards and beyond giving hunters confidence on birds that hang up at distance. Each choke in the Delta Set features a 25 percent longer parallel section than standard chokes which helps throw tighter denser patterns while reducing pellet deformation. That reduced deformation also shortens the shot string meaning fewer stray pellets and more consistent hits on target. All three chokes are extended and built on the Beretta Mobil thread pattern for easy installation and removal in the field. For waterfowl hunters who want a dedicated choke for every range scenario the Carlsons Choke Tube Delta Set is available now at GrabAGun. Carlsons Delta Choke Tube Set Specifications Manufacturer: Carlsons Model: Delta Set Type: Choke Tube Set Choke: Close Mid and Long Range Flush or Extended: Extended Gauge: 20 GA Material: 17-4 Stainless Steel Thread Pattern: Mobil Available At: GrabAGun