Retrograde Pump-action Shotgun Series - The 500 Persuader Retrograde and 590A1 Retrograde Dec. 11, 2018 MOSSBERG ...

3. Cylinder Bore The majority of any shotgun barrel is the cylinder section between the chamber forcing cone and the choke. Two aspects of the bore can influence performance: Diameter and polish.

This cylinder-bore, 3-inch chamber shotgun includes an “extra full” choke tube installed on the barrel to provide increased pellet density in this .410 platform.

The first shot was a harbinger of things to come. Historically, I have found that most cylinder bore fighting shotguns will spread 00 buckshot from ½ to 1 inch for every yard traveled.

The Governor, introduced at the 2011 SHOT Show, is Smith & Wesson’s entry in the revolver shotgun field. The Governor is 8.5 inches long with a 2.75-inch barrel and a cylinder that holds six rounds.

The Governor, introduced at the 2011 SHOT Show, is Smith & Wesson’s entry in the revolver shotgun field. The Governor is 8.5 inches long with a 2.75-inch barrel and a cylinder that holds six rounds.