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Mossberg 835 Ulti-Mag Waterfowl Pump 12 ga 28″ 3.5″ FO Synthetic Stock MOSGB

Vent rib, ported barrel. Overbored barrel with front bead fiber optic sight. Accu-Mag set of chokes include Full, Modified and Improved Cylinder. Synthetic stock. Full coverage Mossy Oak Shadow Grass Blades camouflage finish.

Retail Price : 597.06
Long Gun Web Model : Model 835
Barrel Length : 28
Description : Model 835 Ulti-Mag Waterfowl 12 Gauge 3.5 Inch Chamber 28 Inch Overbored Barrel Synthetic Stock Full Coverage Mossy Oak Shadow Grass Blades Camouflage Finish 5 Round
Gauge : 12
Made In The USA : Made In The USA
Catalog Vendor Name : MOSSBERG
Choke : F, M, IC
Capacity : 5
Chamber Inch : 3.5
Finish : Mossy Oak Shadow Grass Blades
Caliber-Gauge : 12 GA.

Mossberg 835 Ulti-Mag: A Comprehensive Review of the Waterfowl Pump 12 ga 28″ 3.5″ FO Synthetic Stock MOSGB

The Mossberg 835 Ulti-Mag Waterfowl Pump 12 ga 28″ 3.5″ FO Synthetic Stock MOSGB is a top-tier shotgun designed for severe waterfowl hunters. This firearm stands out for its reliability, versatility, and innovative design features that cater specifically to the demands of waterfowl hunting. In this detailed review, we will explore the various aspects that make the Mossberg 835 Ulti-Mag a preferred choice among hunters.

Overview of Mossberg 835 Ulti-Mag

The Mossberg 835 Ulti-Mag is renowned for its ruggedness and performance. Built with high-quality materials and advanced engineering, this shotgun is designed to withstand harsh weather conditions and deliver consistent performance in the field.

Key Specifications

  • Gauge: 12
  • Barrel Length: 28 inches
  • Chamber Size: 3.5 inches
  • Stock Material: Synthetic
  • Finish: FO (Fiber Optic)

These specifications highlight the shotgun’s suitability for waterfowl hunting, where longer barrels and larger chamber sizes are advantageous for improved range and accuracy.

Innovative Features

Overbored Barrel

One of the standout features of the Mossberg 835 Ulti-Mag is its overbored barrel. This design reduces recoil and improves pattern density, ensuring hunters have a more effective shot at moving targets. The overbored barrel provides a more comfortable shooting experience, especially during prolonged hunting sessions.

Accu-Mag Choke Tube System

The Accu-Mag choke tube system allows quick and easy changes to the choke constriction, allowing hunters to adapt to different hunting scenarios. Whether you need a tighter shot pattern for distant birds or a wider spread for close-range targets, the Accu-Mag system ensures optimal performance.

Dual Extractors and Twin Action Bars

The dual extractors and twin action bars are designed to ensure smooth, reliable shell cycling. This feature minimizes the risk of jamming and enhances the shotgun’s overall reliability, which is crucial when every shot counts.

Synthetic Stock and Finish

The Mossberg 835 Ulti-Mag’s synthetic stock is durable and resistant to harsh environmental conditions. This makes the shotgun an excellent choice for waterfowl hunting, where exposure to water, mud, and rough handling is expected. The fiber optic finish enhances the shotgun’s resilience and improves its sleek, modern appearance.

Performance in the Field

Accuracy and Range

Combining the 28-inch barrel and the overbored design significantly improves the shotgun’s accuracy and effective range. Hunters can expect tighter shot patterns and more consistent performance, which is critical for successful waterfowl hunting.

Recoil Management

Thanks to the overbored barrel and the ergonomic design of the synthetic stock, the Mossberg 835 Ulti-Mag offers superior recoil management. This feature reduces shooter fatigue and allows quicker follow-up shots, increasing the likelihood of a successful hunt.


The Mossberg 835 Ulti-Mag is designed to handle various ammunition types, including heavy 3.5-inch magnum loads. This versatility ensures that hunters can use the shotgun for different kinds of waterfowl and hunting conditions, making it a highly adaptable firearm.

Maintenance and Durability

Easy Maintenance

The Mossberg 835 Ulti-Mag’s maintenance is straightforward. The shotgun’s design allows for easy disassembly and cleaning, which is essential for optimal performance. Regular maintenance ensures the shotgun remains reliable and functional for many hunting seasons.


The materials used in the construction of the Mossberg 835 Ulti-Mag are chosen for their durability and resistance to corrosion. This ensures that the shotgun can withstand the rigors of outdoor use and remain in excellent condition even after extended exposure to harsh environments.

Pros and Cons


  • High-Quality Construction: Durable and weather-resistant materials.
  • Superior Recoil Management: Comfortable shooting experience.
  • Versatile Choke System: Adaptable to various hunting scenarios.
  • Reliable Cycling: Minimal risk of jamming.


  • Weight: Some hunters may find the shotgun slightly heavy.
  • Price: Higher cost compared to some other models.


The Mossberg 835 Ulti-Mag Pump 12 ga 28″ 3.5″ FO Synthetic Stock MOSGB is a premier choice for waterfowl hunters seeking reliability, versatility, and superior performance. Its innovative features, such as the overbored barrel and Accu-Mag choke system, set it apart from other shotguns in its class. While it may come with a higher price tag and slightly heavier build, its durability and hunting efficiency benefits make it a worthwhile investment.

If you are looking for a shotgun that can handle the demands of waterfowl hunting and provide consistent, reliable performance, the Mossberg 835 Ulti-Mag is an excellent option. Its robust design and advanced features will enhance your hunting experience and help you succeed more in the field.



Estimated shipping times are posted on the product information page under “Ships On Or Before:” Please note that all lead times are estimates. Items in our warehouse usually ship within three business days. 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 specific 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 only apply to the lower 48 states.

Note: We will 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 possible.

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 a 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 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?

  • Suppose 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.
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