Carlson’s Extended Turkey Choke Tube, 12 Gauge .680 Invector

The Carlson’s Extended Turkey Choke Tube (brand part no. 19897) is machined for the Invector thread pattern at a .680-inch constriction, giving 12 gauge Winchester-pattern shotgun owners a dedicated turkey option. Built from 17-4 heat-treated stainless steel with a matte blue finish, it extends about 1 inch past the muzzle and holds a 1.050-inch parallel section engineered to squeeze the tightest possible pattern out of buffered turkey loads. It’s a straightforward upgrade for hunters who want more confidence at extended range on a longbeard.

Key Specifications

• Chambered for 12 gauge shotguns using the Invector thread pattern.
• Constricted to .680 inches for a Turkey choke profile.
• Built as an Extended choke design rather than flush-fit.
• Machined from 17-4 heat-treated stainless steel for durability against heavy loads.
• Finished in matte blue to resist glare in the field.
• Extends approximately 1 inch past the muzzle to lengthen the shot column.
• Holds a 1.050-inch parallel section engineered to produce the optimum turkey pattern.

Frequently Asked Questions

What thread pattern does this choke use? Invector.

What’s the constriction on this choke? .680 inches, sized for turkey loads.

What finish does it have? A matte blue finish that resists glare.

Buy the Carlson’s Extended Turkey Choke Tube, 12 Gauge .680 Invector

Pattern-test your Invector-threaded shotgun with a dedicated turkey constriction. Order the Carlson’s Choke Tubes Extended Turkey Choke from our shotgun chokes selection. Ships fast from a Lubbock, TX gun shop.