Carlson's Choke Tubes Remington 12 Gauge Replacement Choke Tube Modified. Made with 17-4 heat treated stainless steel these Shotgun Chokes made by Carlson's Choke Tubes are manufactured to be strong and enduring. The Carlson's Remington Choke Tubes is effective on any constrictions for lead shot. Carlson's Shotgun Chokes are for sale and available for purchase in our online store Specifications for Carlson's Remington Flush Mount Replacement 12 Gauge Choke Tubes: Manufacturer: Carlson's Choke Tubes Color: Stainless Fabric/Material: 17-4 Stainless Steel Gauge: 12 Choke Tube System: Remington Choke Gun Make: Remington Quantity: 1 Additional Features: Non-Ported Features of Carlson's Flush Mount Choke Tube for 12 Gauge Remington: Tightens shot patterns Efficient at long or short distances Package Contents: Carlson's Remington 12 Gauge Flush Mount Replacement Choke Tubes Carlson's Choke Tubes Remington 12 Gauge Replacement Choke Tube Modified 12262