Mossberg X-Factor Extended Ported Turkey Choke Tubes Ulti-Full 12 Gauge 835/935. OpticsPlanet is an Authorized US Distributor for Mossberg Weapon Accessories. Mossberg 95258 X-Factor Extended Ported Turkey Choke Tubes Ulti-Full 12 Gauge 835/935 - X-Factor choke tubes outperform all other turkey chokes on the market with a patented design that significantly extends the choke tube's effective range and increases the speed of the shot. The patented design of X-Factor chokes exceeds ALL relevant ASTM standards and has been independently tested by independent labs to ensure the integrity of the performance of each and every choke. The patented internal geometry of X-Factor chokes has been independently tested by independent labs to demonstrate the efficient use of energy and pelts without damage to the shooter's gun and to provide the heaviest possible point of impact for the specific purpose of killing turkeys with premium turkey shotshells shot at supersonic velocities. The X-Factor chokes have been specifically optimized for the specific weapon system to achieve the optimum pattern with subsonic and supersonic turkey shotshells. Check with the manufacturer before purchasing. Specifications for Mossberg X-Factor Extended Ported Turkey Choke Tubes Ulti-Full 12 Gauge 835/935 95258: Manufacturer: Mossberg Finish: Black Fabric/Material: 17-4 Stainless Steel Gauge: 12 Choke Tube System: Mossberg 835/935 Choke Type: Ultimate Full Ported Gun Make: Mossberg Quantity: 1 Additional Features: 45+yds Package Contents: Mossberg 95258 X-Factor Extended Ported Turkey Choke Tubes Ulti-Full 12 Gauge Mossberg 835/935 We offer the complete line of Mossberg Weapon Accessories. For our complete selection of products by Mossberg on sale please visit our Mossberg page. For more Gun Accessories please visit our Gun Accessories store section.