Product Description
Browning Invector DS 20 Gauge Full Extended Choke Tube - 1134255.Proprietary differential banded gas seal eliminates residue build up and makes chokes easy to remove and install.
Integrated spring suspension holds the seal tight, yet allows expansion against the barrel wall for a perfect fit and a smooth transition for the shot column entering the choke
Gas is controlled at the interface between choke and where it seats in the bore.