Rock Island VRBP-100-A | 12 Gauge | 20in Barrel

The Armscor / Rock Island Armory VRBP-100-A is a magazine-fed, semi-automatic bullpup shotgun chambered in 12 gauge with a 20-inch barrel. Its compact bullpup layout places the polymer stock and action together for a reduced overall length while maintaining a standard-length barrel. The receiver is finished in black anodized aluminum and the system accepts 2.75″ and 3″ shells.

Product Specifications

• The brand is listed as Armscor / Rock Island Armory.
• The manufacturer part number is VRBP-100-A.
• The firearm type is a semi-automatic bullpup shotgun.
• The action is semi-automatic.
• The gauge is 12 Gauge.
• The chamber accepts 3-inch shells.
• The barrel measures 20 inches in length.
• The overall length is 32 inches.
• The capacity is 5+1.
• The stock is a black polymer bullpup fixed stock (right-hand configuration).
• The receiver is black anodized aluminum with a full-length Picatinny top rail.
• The finish is black anodized.
• The shotgun ships with a set of MobilChoke tubes (Full, Modified, Improved Cylinder).
• The sighting system includes flip-up front and rear sights with an adjustable rear.
• The UPC is 812285025544.

This configuration is well suited to practical shooting and field applications where a compact platform with a standard-length barrel is preferred. The bullpup layout reduces overall footprint for easier maneuvering while the full-length rail and removable sights allow straightforward optics or accessory mounting.

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