The 12 gauge Standard Invector is the original. And it still offers top performance, exceptional patterns, and superior durability. Choose from a full selection of 12 gauge Standard Invector choke constrictions. Fits Standard Invector barrels only. They produce excellent patterns with excellent uniform densities. All Browning Standard Invector tubes are set to industry constriction standards. Flush fit does not extend beyond the end of the barrel. Constructed of highly polished, 17-4 stainless steel for the ultimate in performance and durability. 12 gauge Standard Invector was one of the original removable choke tube designs. Standard Invector shotguns have conventional bore diameters and are not back-bored as many Browning shotguns are today. The original, shorter, flush fit tubes were supplied on large numbers of Browning shotguns. They still offer great performance for most hunting situations. Extended tubes, with more specialized patterning capabilities.

Features:

12 gauge improved modified standard Invector tubes are flush fit, notched for a choke tube wrench
Check the full listing under Standard Invector for other specialized, extended and rifled choke tubes designed to fit your 12 gauge Standard Invector Browning shotgun
Produces excellent patterns with uniform densities
Made to industry constriction standards
Constructed of highly polished, 17-4 stainless steel for the ultimate in performance and durability