Carlsons Bismuth Bone Buster 12 Gauge Browning Invector Plus Extended Range .040 Choke Tube

The Carlsons Bismuth Bone Buster choke tube is purpose-built for hunters running Bismuth shotshells through their 12 Gauge shotguns. Designed specifically for the Browning Invector Plus thread pattern, this Extended Range tube delivers dense, consistent patterns with Bismuth loads - a shot material that benefits from a longer parallel section to keep pellets grouped tight at distance.

CNC precision machined from 17-4 heat-treated stainless steel, the Bone Buster features a longer internal parallel section than typical factory choke tubes, helping stabilize the shot column and tighten patterns downrange. The .040 constriction is well suited to longer shots where pattern density is critical. The corrosion-resistant 17-4 PH stainless steel construction is built for season-after-season durability in wet, muddy, and cold hunting conditions.

Proudly made in the USA by Carlsons Choke Tubes and backed by their lifetime warranty, this single choke tube drops directly into any 12 Gauge Browning shotgun equipped with the Invector Plus choke system - no gunsmithing or modifications required. Whether you are chasing ducks and geese or working longer pass shots over decoys, the Bismuth Bone Buster is engineered to get the most out of every Bismuth load in your bag.