Carlsons Choke Tubes Remington Competition Target Full Gold NSN N. The Carlson's Remington Choke Tube is manufactured from 17-04 stainless steel and precision machined to produce a choke tube that patterns better with less recoil than standard flush mount choke tubes. Manufactured from 17-04 stainless steel and precision machined to produce a choke tube that patterns better with less recoil than standard flush mount choke tubes. These choke tubes feature a 25percent longer parallel section in the choke which allows for tighter denser patterns with less flyers with less pellets in the barrel. The extended portion of the choke tube allows for quick and easy removal and insertion. Lead Copperplated Nickel Hevi-shot Bismuth and tungsten may be shot through these choke tubes. When using steel shot through any choke tighter than full do not shoot steel larger than BB through any choke tighter than full. Specifications for Carlson's Choke Tubes Remington Competition Target: Manufacturer: Carlson's Choke Tubes Color: Gold Fabric/Material: 17-4 Stainless Steel Gauge: 12 Choke Tube System: Remington Choke Gun Make: Remington Quantity: 1 Additional Features: Non-Ported Included Accessories: Choke Wrench Country of Origin: USA Features of Carlson's Choke Tubes Remington Competition Target Remington Competition Target Improved Cylinder Package Contents: Carlson's Choke Tubes Remington Competition Target wrench Carlsons Choke Tubes 13495 Remington Competition Target Full Gold NSN