Extended choke with slot-ported design for recoil reduction. Conical/parallel internal configuration.
Easy to install and remove with your fingers. No special wrench or tool required.
These chokes are for 20g Winchester shotgun models with the original Invector threads.
Overall Length: 3 7/32"
Ported Section Length: 1 11/16"
In-Barrel Length: 1 1/2"
Standard Bore Size: .620
Material: 17-4 Stainless Steel