Rock Island VRBP100 12 Gauge 20″ 5+1 Semi-Auto Bullpup

The Armscor / Rock Island Armory VRBP-100 is a magazine-fed, semi-automatic bullpup shotgun configured for right-hand operation. It pairs a compact bullpup layout with a 20" barrel and an anodized black receiver for a reduced overall length without sacrificing chamber capacity. The design includes flip-up iron sights and a polymer tactical stock positioned behind the action.

Key Specifications

• Chambered for 12 Gauge ammunition.
• Operates as a Semi-Auto action for rapid follow-up handling.
• Standard capacity is 5 + 1.
• The barrel length is 20".
• The chamber size is listed as 3".
• Stock configuration is a Bullpup polymer design for compact overall length.
• Finish is a Black Anodized receiver and black stock.
• Sighting is provided by Flip Up Front & Rear adjustable sights.
• Includes MobilChoke compatible choke system (Full, Mod, IC).
• Overall length is 32".

Compact and purpose-driven, the VRBP-100 offers a short-profile platform that retains a full-sized chamber and conventional handling characteristics in a bullpup layout. Its magazine-fed configuration and top rail provision make it adaptable for a range of practical uses from transportable utility roles to close-quarters applications where a reduced overall length is beneficial.