-12 gauge-Improved Modified-Nickel chrome moly-Extends beyond end of barrel for easy removal and even tighter patterns-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-From skeet to full choke, patterns tighten consistently and reliably
|Dimension||1.25 X 4.90 X 8.20|
|Other Features||LONGER THAN COMPETITORS' TUBES KNURLED ENDS FOR SURE GRIP BRASS ALLOY BAND SEALS TIGHT TO ELIMINATE RESIDUE BUILD-UP|
|Thread Pattern||INVECTOR DS|
|Flush Or Extended||EXTENDED|
Determined at checkout.