Your Cart is Empty

Back To Shop

Rock Island Armory VRBP100-A Bullpup 12 Ga, 20″ Barrel, 5rd


The VRBP-100 12ga shotgun offers ideal strength, length, and versatility all in one package. This 5+1 magazine fed semi-automatic bullpup shotgun comes equipped with a polymer stock directly behind the action, making it as compact as possible without sacrificing firepower. Chambered for 2 ¾” and 3” shells with a durable anodized finish, this gun is ideal for hunters and home defenders alike.

Model VRBP-100

Gauge 12 Gauge

Stock Finish Black

Action Semi-Auto

Barrel Length Range 20″ to 21.99″

Capacity 5+1

Chamber 3″

Choke Configuration MobilChoke

Hand Right

OAL 32″

Receiver Finish Black

Recoil Pad Type Rubber

Stock Finish Group Black

Stock Material Synthetic

Weight 7.90 lbs

Barrel Description Contoured

Barrel Finish Black


The ati bulldog/Rock Island Armory VRBP100-A Bullpup 12 Ga has garnered attention for its unique design and impressive functionality. In this comprehensive guide, we delve into every aspect of this exceptional firearm, providing insights, expert opinions, and valuable information. Whether you’re a seasoned enthusiast or a novice exploring the world of bullpup shotguns, this article is your go-to resource.

ati bulldog/Rock Island Armory VRBP100-A Bullpup 12 Ga: A Brief Overview

Embark on a journey to discover the ati bulldog/Rock Island Armory VRBP100-A Bullpup 12 Ga, a groundbreaking shotgun that combines cutting-edge technology with a sleek design. Learn about its origin, purpose, and the niche it occupies in the world of firearms.

Key Features of the VRBP100-A Bullpup Shotgun

Uncover the standout features that make the VRBP100-A Bullpup Shotgun a top choice for discerning gun enthusiasts. From its innovative design to performance-enhancing components, we explore what sets this bullpup shotgun apart.

The Evolution of Bullpup Shotguns

Dive into the history and evolution of bullpup shotguns, understanding how these compact firearms have transformed over the years. Gain insights into the advantages and disadvantages of the bullpup design, shaping your perspective on the VRBP100-A.

Advantages and Disadvantages of Bullpup Design

Explore the pros and cons of the bullpup design, considering factors like maneuverability, balance, and overall usability. Understand why some shooters swear by bullpup shotguns while others remain loyal to traditional designs.

Unboxing the ati bulldog/Rock Island Armory VRBP100-A Bullpup 12 Ga

Witness the unboxing experience of the VRBP100-A, examining the packaging, included accessories, and initial impressions. This section provides a firsthand look at what to expect when you first lay eyes on this exceptional firearm.

Ergonomics and User Experience

Delve into the ergonomic considerations of the VRBP100-A, exploring how its design enhances user comfort and shooting experience. From grip texture to button placements, every detail is examined to give you a comprehensive understanding.

Breaking Down the VRBP100-A Mechanism

Gain a deep understanding of the inner workings of the VRBP100-A, dissecting its mechanism and components. This section is a must-read for those interested in the technical aspects that contribute to the firearm’s reliable performance.

Maintenance Tips and Best Practices

Learn the essential maintenance tips and best practices to ensure your VRBP100-A remains in peak condition. Proper care and cleaning routines outlined, ensuring longevity and sustained performance.

ati bulldog/Rock Island Armory VRBP100-A Bullpup 12 Ga vs. Traditional Shotguns

Compare the VRBP100-A to traditional shotguns, evaluating factors like size, handling, and adaptability to different scenarios. Discover why the bullpup design might be the game-changer you’ve been looking for.

Performance in Various Conditions

Explore how the VRBP100-A performs in diverse conditions, from close-quarter engagements to long-range accuracy. Real-world scenarios and user testimonials provide valuable insights into the shotgun’s versatility.

The Design Philosophy Behind the VRBP100-A

Uncover the design philosophy that guided the creation of the VRBP100-A, understanding the intentions and goals of the engineers and designers. This section sheds light on the meticulous planning that went into crafting this exceptional bullpup shotgun.

User Testimonials and Real-world Experiences

Read firsthand accounts of users who have experienced the VRBP100-A in action. Discover how this shotgun has performed in real-world situations and the satisfaction it has brought to enthusiasts and professionals alike.

Customization Options and Accessories

Explore the various customization options and accessories available for the VRBP100-A. From optics to grips, discover how you can personalize your shotgun to suit your preferences and shooting style.

Safety Measures and Regulations

Understand the safety measures associated with owning and using the VRBP100-A. This section also delves into relevant regulations, ensuring responsible ownership and operation of this powerful firearm.

Choosing the Right Ammunition for VRBP100-A

Navigate the world of ammunition to find the perfect match for your VRBP100-A. Learn about different loads, shot sizes, and their impact on the shotgun’s performance in various shooting scenarios.

Comparisons with Competing Bullpup Shotguns

Explore how the VRBP100-A stacks up against other bullpup shotguns in the market. A detailed comparison helps you make an informed decision when considering various options in the bullpup category.

Enhancing Accuracy with Optics and Sights

Discover the best optics and sights to enhance the accuracy of your VRBP100-A. Whether for sport shooting or home defense, this section provides recommendations to optimize your shooting experience.

Addressing Common Concerns: FAQs

Q: Is the VRBP100-A suitable for beginners? A: While the bullpup design may take some getting used to, the VRBP100-A is designed with user-friendly features, making it suitable for shooters of various skill levels.

Q: What is the recommended maintenance schedule for the VRBP100-A? A: Regular cleaning after use and a more thorough inspection every 500 rounds are recommended to ensure optimal performance and longevity.

Q: Can the VRBP100-A be customized with aftermarket accessories? A: Yes, a variety of aftermarket accessories are available, allowing users to customize their VRBP100-A according to their preferences.

Q: How does the VRBP100-A handle different types of ammunition? A: The VRBP100-A is versatile and can handle various types of shotgun ammunition, offering adaptability for different shooting scenarios.

Q: Is the bullpup design a disadvantage in terms of accuracy? A: Contrary to common misconceptions, the bullpup design can enhance accuracy due to its shorter overall length and improved balance.

Q: Are there any known issues or common malfunctions with the VRBP100-A? A: The VRBP100-A is known for its reliability; however, like any firearm, proper maintenance is crucial to prevent malfunctions.

Conclusion: Making an Informed Decision

As we conclude this comprehensive guide, you are equipped with the knowledge needed to make an informed decision about the ati bulldog/Rock Island Armory VRBP100-A Bullpup 12 Ga. Whether you seek a reliable home defense solution or a versatile shotgun for various shooting activities, the VRBP100-A stands out as a compelling choice.


Estimated shipping times

Estimated shipping times are posted on the product information page under “Ships On Or Before:” Please note that all lead times are estimates. For items in our warehouse, we usually ship within 3 business days. Then, the shipping time may be up to 10 business days for items only available at distribution or other sources. For items only available at the manufacturer, the lead time may be a few weeks or longer– depending on availability.

Please also note that some items are unique, hard to obtain, or one-of-a-kind, so Impact reserves the right to cancel your order should an item not be available to ship.

We will not charge your credit card until your product ships, except for certain special orders.

We usually will ship FedEx and US POSTAL. If you need faster shipment, we can ship 2nd Day or Next Day for an extra charge.

Alaska and Hawaii residents – your order MUST ship 2nd day or faster. Most orders over $100 will ship with a signature required to ensure they make it to you. Products that have free shipping apply to the lower 48 states.


 We make every effort to get your order shipped as fast as possible. In some circumstances, especially during sales and after weekends, we may need to ship your order within the specified time. Please rest assured that we will ship your item as soon as we can.

We want you to be 100% satisfied with your purchase from Multi Gun Shop; therefore, we offer no-hassle returns.

How do I start the return process?

  • Log in to your account and locate and click on the “Request Return” link.
  • A Multi-Gun Shop agent will review your request for a return and respond within two business days.
  • All returns are subject to inspection and approval before the refund issued.
  • All products must be in the condition of the new and original manufacturer.
  • As an alternate method, you can send an email to Please be sure to include your original order number and relevant contact information.

When will I get my credit or return?

  • Most returns are fully refunded in 3-5 days after we receive and process the return. Depending on your bank, it may take longer for the credit to appear in your account. Most items in stock ship within 3-5 days after receipt of your returned item, but it may take longer depending on availability.
  • Returns must be charged back to the original credit card used in the purchase. If this is not possible, we will refund you via check.

What about damaged/incorrect items?

  • If you received a damaged, defective, or incorrect item, Multi-Gun Shop will ship you a replacement of the exact item upon receipt of the damaged or defective item. Multi-Gun Shop will send you a return shipping label for the return.

What about return shipping costs?

  • If a Multi-Gun Shop error causes the need to return an item or we are replacing a returned defective or incorrect item, then we will pay the associated shipping costs.
  • Otherwise, the customer is responsible for any return shipping costs. When returning an item, please add package tracking and adequate insurance.
ati bulldog/Rock Island Armory VRBP100-A Bullpup 12 Ga
ati bulldog/Rock Island Armory VRBP100-A Bullpup 12 Ga
SKU: 14e0c96b1e92 Category:


Your Cart is Empty

Back To Shop