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Rock Island VRBP100-A 12 Gauge 20″ Bullpup Semi-Auto Shotgun

Rock Island VRBP100-A 12 Gauge 20″ Bullpup Semi-Auto Shotgun

$390.30

Armscor/Rock Island Armory VRBP100-A is a 12 Gauge semi-automatic bullpup shotgun with a 20″ barrel and a 5+1 capacity. It features a fixed bullpup stock, flip-up sights, full top rail and a black finish.

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SKU: CSSI|YKVRBP100ACategories: Semi Auto ShotgunsTags: Online Only

The Armscor / Rock Island Armory VRBP100-A is a magazine-fed, semi-automatic bullpup shotgun built around compact handling and practical utility. Chambered for 12 gauge shells and fitted with a 20″ contoured barrel, the design places the action and magazine behind the trigger group for a shorter overall length. The rifle-style controls, full top rail and flip-up sights support modular accessory fitment and straightforward sighting options.

Key Specifications

  • The gauge is 12 Gauge.
  • The action is Semi-Automatic.
  • The barrel measures 20 inches.
  • The standard load capacity is 5+1.
  • The chamber accepts 3″ shells.
  • The overall length is 32 inches.
  • The unloaded weight is approximately 7.90 lbs.
  • The stock is a fixed bullpup synthetic configuration.
  • Includes 2 magazines and a set of 3 MobilChoke tubes.
  • Sighting and accessory options include a full top Picatinny rail and flip-up front and rear sights.

The VRBP100-A offers a compact footprint without sacrificing practical features: a 20″ contoured barrel for consistent handling, an adjustable cheek piece and full-length rail for optics or accessories, plus included magazines and choke options for flexible use. Its bullpup layout and accessory-ready platform make it suitable for users prioritizing compactness, modularity, and straightforward operation.

Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.

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UPC

812285025544

Manufacturer

Armscor/Rock Island Armory

Manufacturer Part Number

VRBP100-A

Action

Semi-Auto

ATF Type

Shotgun

Barrel Length

20" Contoured BBL

Caliber/Gauge

12 Gauge

Capacity

5 + 1

Length

44.5

Number of Magazines

1 5 rd.

Package Height

3.8

Package Width

9.4

Product Type

Shotgun

Shipping Weight

12.2

Sights

Flip Up Front and Rear

Sights Type

Adjustable Sights

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