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Vang Comp Systems Police Magnum Shotgun

Hans Vang's modifications to the venerable Remington 870 police gun yield a more accurate and easier to shoot patrol weapon.

February 01, 2005  |  by Dave Douglas

How It Works

The Vang Comp System is a set of modifications to a shotgun's barrel. These modifications include back boring the barrel, adding compensating ports, and lengthening the forcing cone.

The back-boring of the barrel is accomplished by boring the barrel from the chamber toward the muzzle end and creating a choke. This is critical to the improved performance of the weapon, but it's not immediately visible.

In contrast, the compensation ports are the most outwardly obvious and signature features of the Vang Comp barrel. However, they are not just decorative. When you fire a Van Comp shotgun, a portion of the gases from the burnt powder exiting the muzzle is vented upward through the ports. The redirected gas flow minimizes muzzle rise as much as 90 percent and felt recoil by at least 15 percent, allowing for both a more rapid recovery time between shots and increased accuracy.

The ports also reduce muzzle flash and help you retain night vision, which is a good thing in a real gunfight. Oh, and less flash also helps keep your location better concealed in low-light conditions, another good thing in a gunfight.

A less obvious but nonetheless important feature of the Vang Comp barrel is the longer forcing cone. Lengthening the forcing cone allows the pellets to have a smooth flow from the chamber to the bore, and it prevents the pellets from bunching up in the barrel so that they cause less turbulence. Additionally, pellets are less deformed and keep a more consistent shape.

Some Nice Features

The Vang Comp Systems Police Magnum also comes with Vang's one- or two-round magazine extension, which features an interchangeable sling attachment point that accommodates both left- and right-handed shooters. Vang machines the tubes out of bar stock aluminum. They are tank tough and guaranteed for life. The magazine extension also comes with an extended and stronger spring. Additionally, Vang includes a high-visibility magazine tube follower. The follower has an extended tail to stop the longer spring from fouling in the magazine and rendering the gun inoperative.

Safety features on the VCS Police Magnum include the VCS dome head safety. Whenever you put your finger into the trigger guard, the crook of the second knuckle on your trigger finger comes in contact with this safety. This design lets you know immediately that the safety may be on, and it allows you to disengage the safety easily and quickly. It will not allow you to inadvertently leave the safety on and miss an important shot. Some more safety-conscious shooters may not like this system, but if you subscribe to the rule that you keep your finger off the trigger until you are ready to shoot, it doesn't compromise safety and it aids in fast first shots.

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