Browning Invector-DS 12 Gauge Improved Cylinder Extended Choke Tube, Chrome - 1134283

Extended beyond the muzzle for the ultimate in taper engineer and choke perfection. For Browning shotguns with Invector-DS barrels only. This is a choke tube that is long on length and even longer on performance. Each tube extends beyond the end of the barrel for easy removal and for the most even, tight patterns in Browning's history of choke tube design.Features: Proprietary differential banded gas seal eliminates residue build up and makes chokes easy to remove and installIntegrated 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 chokeGas is controlled at the interface between choke and where it seats in the boreFrom improved cylinder choke, patterns tighten consistently and reliablyExtended length tubes are easy to change and add approximately 3/4 inches to the overall length of the barrelProprietary differential banded brass gas seal eliminates residue buildup and makes chokes easy to remove and install