Transform Your Remington 870: Discover the Mossberg 91356 Fully Rifled Slug Barrel with Cantilever Mount

For the dedicated hunter or precision shooter who relies on the venerable Remington 870 shotgun, achieving consistent, long-range accuracy with slugs can be a significant challenge when using a standard smoothbore barrel. Traditional smoothbore barrels, while excellent for dispersing shot, simply do not impart the necessary spin on a slug to stabilize its flight path, leading to unpredictable accuracy beyond close ranges. This is precisely where the Mossberg 91356 Replacement Barrel emerges as an indispensable upgrade, meticulously engineered to unlock the full ballistic potential of your 12-gauge Remington 870 for slug ammunition.

This premium, 24-inch, fully rifled steel barrel, featuring a durable blued matte finish and a 3-inch chamber, is a game-changer for anyone looking to convert their versatile Remington 870 into a highly accurate slug gun. But it's not just about the rifling; the integrated cantilever mount is a critical design element, providing a rock-solid, recoil-resistant platform for mounting optics directly to the barrel itself. This innovative design ensures that your scope or red dot sight maintains its zero, shot after shot, eliminating the common frustrations associated with receiver-mounted optics on shotguns.

Why Upgrade Your Remington 870 with a Rifled Slug Barrel?

Many shotgun owners acquire their Remington 870 for its legendary reliability and adaptability, often utilizing it for bird hunting, trap shooting, or home defense. However, when the hunting season shifts to deer, hog, or other big game where slugs are mandated or preferred, the limitations of a smoothbore barrel quickly become apparent.

• Smoothbore Limitations: A smoothbore barrel allows slugs to tumble or yaw in flight, severely limiting effective range and precision. While suitable for very close-range defensive scenarios, it’s far from ideal for ethical hunting shots beyond 50 yards.
• The Power of Rifling: Just like a rifle barrel, a shotgun barrel with full rifling imparts a stabilizing spin on the slug as it travels down the bore. This gyroscopic stability dramatically improves accuracy, extending your effective range and allowing for much tighter groups at distances of 100 yards and beyond.
• Dedicated Performance: For hunters operating in states or areas where rifles are prohibited for big game, a fully rifled shotgun is not just an option—it's a necessity. The Mossberg 91356 transforms your existing 870 into a purpose-built, highly effective deer and hog slayer.

Unpacking the Mossberg 91356: Key Features and Benefits

The Mossberg 91356 is more than just a barrel; it's a precision instrument designed to elevate your shooting experience.

• 24-Inch Length: The Optimal Balance: The 24-inch barrel length strikes an excellent balance between maneuverability in dense cover and maintaining sufficient velocity for slugs. It’s long enough to achieve excellent ballistic performance without being cumbersome in treestands or thick brush.
• 3-Inch Chamber: Versatility for Modern Ammunition: With a 3-inch chamber, this barrel readily accommodates a wide range of modern 12-gauge slug ammunition, including standard 2 ¾-inch and potent 3-inch magnum loads. This ensures you can select the most effective ammunition for your hunting scenario.
• Blued Matte Finish: Durable and Discreet: The blued matte finish provides superior corrosion resistance and a non-reflective surface, crucial for remaining undetected in the field. This finish is renowned for its resilience and ability to withstand the rigors of hunting environments.
• High-Quality Steel Material: Built to Last: Crafted from robust steel, this barrel is designed for exceptional durability and longevity, capable of handling thousands of rounds without compromising its structural integrity or accuracy. Mossberg's commitment to quality ensures a reliable component for your firearm.
• Full Rifling: Unmatched Accuracy: This is the cornerstone of the barrel's performance. The precision-machined spiral grooves inside the barrel ensure that every slug fired receives optimal spin, translating directly into tighter groups and more confident shot placement at extended ranges. When considering how to achieve consistent slug accuracy for deer hunting or hog hunting, full rifling is the non-negotiable answer.
• Cantilever Mount: Zero Retention Master: The integrated cantilever scope mount is arguably as important as the rifling itself. Unlike receiver-mounted scope bases that can flex or shift with recoil, especially on pump-action shotguns, the cantilever mount is rigidly attached directly to the barrel. This means:
  • Elimination of Zero Shift: When you remove the barrel for cleaning or storage, and then reinstall it, your optic's zero remains consistent. This is a massive advantage, saving you time and ammunition at the range.
  • Optimal Eye Relief: The cantilever design often allows for more flexible scope positioning, helping you achieve perfect eye relief with a variety of optics, from compact red dots to low-power variable optics (LPVOs).
  • Robust Optics Platform: Provides a stable, reliable platform for mounting your preferred scope or red dot sight, enhancing your ability to make precise shots under varied conditions.

Who Needs the Mossberg 91356 Barrel? Ideal User Profiles

This specialized barrel is an excellent investment for several types of shooters and hunters:

• The Dedicated Deer Hunter: If you hunt deer in states or areas with "shotgun only" regulations, this barrel is essential. It transforms your versatile 870 into a dedicated slug gun, providing the accuracy needed for ethical, clean kills at typical deer hunting distances.
• The Hog Hunter: Hogs are tough, and precise shot placement is critical. A rifled slug barrel ensures you can reliably place shots on vital areas, even when engaging targets at extended ranges in open fields.
• The Big Game Enthusiast: For hunters pursuing larger game where a heavy-hitting slug is desired, the improved accuracy offered by this barrel makes it a prime choice.
• The Accuracy-Focused Shooter: Anyone looking to maximize the precision of their Remington 870 for any purpose requiring slug accuracy will find this barrel to be a significant upgrade.
• The Versatility Maximizer: If you already own a Remington 870 and want to expand its capabilities without buying a completely new firearm, this barrel allows you to quickly swap between a field gun, a home defense shotgun, and a highly accurate slug gun.

Real-World Applications and Problem Solving

Let's look at how the Mossberg 91356 directly addresses common questions and scenarios:

• "How to achieve consistent slug accuracy for deer hunting?" The Mossberg 91356, with its full rifling, is the direct answer. It stabilizes the slug, enabling repeatable accuracy far beyond what a smoothbore can offer. Combine it with quality sabot slugs, and you're ready for the deer woods.
• "What's the best way to mount a scope on a Remington 870 for slug shooting?" The integrated cantilever mount on the Mossberg 91356 barrel is purpose-built for this. It provides a stable, recoil-resistant base that moves with the barrel, ensuring your zero holds true, even if you remove and reattach the barrel. This is superior to many receiver-mounted options for pump-action shotguns due to potential play.
• "Can I convert my field shotgun into a dedicated slug gun?" Absolutely. This Mossberg barrel makes the conversion seamless. Simply swap out your existing smoothbore barrel for the 91356, mount your optic on the cantilever rail, and your Remington 870 is ready for slug duty. This offers incredible value compared to purchasing a dedicated slug shotgun.
• "My smoothbore 870 isn't accurate past 50 yards with slugs. What can I do?" This barrel is your solution. The full rifling is designed to deliver sub-5-inch groups at 100 yards with appropriate sabot slugs, dramatically extending your effective range and confidence.
• "I want to use my Remington 870 for big game, but my state requires shotguns. What's the best setup?" A fully rifled barrel like the Mossberg 91356, paired with high-performance sabot slugs and a quality optic, constitutes the ideal setup for legal and ethical big game hunting in shotgun-only zones.

Enhancing Your Remington 870's Performance: What to Expect

Upon installing the Mossberg 91356, you can anticipate a profound improvement in your Remington 870's slug performance:

• Dramatic Accuracy Improvements: Expect to achieve consistent groups within a few inches at 100 yards with quality sabot slugs. This transforms the Remington 870 from a close-range slug gun into a precision instrument capable of taking deer-sized game out to 125-150 yards, or even further with practice and premium ammunition.
• Increased Effective Range: The enhanced accuracy directly translates to a significantly increased effective range for hunting, allowing you to confidently take shots that were previously out of reach or considered unethical with a smoothbore.
• Unwavering Confidence in Shot Placement: Knowing that your shotgun is capable of tight groups at relevant hunting distances instills confidence in your ability to make clean, humane shots. This confidence is invaluable in the field.
• Expanded Versatility: Your Remington 870 becomes a truly multi-purpose firearm, easily adaptable to various hunting seasons and shooting disciplines with a simple barrel swap.

Installation and Compatibility: A Seamless Upgrade for Your Remington 870

One of the great advantages of the Remington 870 platform is its modularity. Installing the Mossberg 91356 barrel is a straightforward process that typically takes only a few minutes, requiring no special tools or gunsmithing expertise.

• Simple Barrel Swap: Ensure your shotgun is unloaded and safe. Remove the magazine cap, slide the forend assembly forward, and remove your existing barrel. Then, slide the Mossberg 91356 barrel onto the magazine tube, ensuring it seats correctly in the receiver, and replace the forend and magazine cap.
• Designed for 12 Gauge Remington 870: This barrel is specifically engineered for 12-gauge Remington 870 pump-action shotguns. Its precise dimensions ensure a snug and secure fit, maintaining the legendary reliability of your 870.
• 3-Inch Chamber Compatibility: As mentioned, the 3-inch chamber is compatible with both 2 ¾-inch and 3-inch 12-gauge slug ammunition, offering flexibility in your ammunition choices.

The Mossberg Advantage: Why Choose This Barrel for Your Remington 870?

Mossberg is a name synonymous with quality, innovation, and reliability in the firearms industry. While it might seem counterintuitive to put a "Mossberg" barrel on a "Remington," this specific product showcases Mossberg's engineering prowess in providing a top-tier upgrade for one of the most popular shotguns ever made.

• Engineered for Peak Performance: This isn't a generic replacement barrel. It's a precisely engineered component designed to maximize the performance of your Remington 870 specifically for slug shooting.
• Mossberg's Reputation for Quality: Mossberg has a long-standing reputation for producing durable, reliable, and high-performing firearms and accessories. This barrel carries that same commitment to quality.
• Robust Construction: The use of high-quality steel and a durable blued matte finish ensures this barrel will withstand harsh weather conditions and the rigors of hunting for many seasons to come.
• Direct Fit and Seamless Integration: The 91356 barrel is designed for a perfect fit on your 12-gauge Remington 870, ensuring reliable function and performance without any modifications to your shotgun's receiver.

Frequently Asked Questions About Remington 870 Slug Barrels

Here are answers to common questions shooters ask about upgrading their Remington 870 for slug accuracy:

• Do I need a new receiver for a rifled slug barrel? No, you do not. The Mossberg 91356 barrel is a direct replacement that uses your existing Remington 870 12-gauge receiver.
• What kind of slugs should I use with a fully rifled barrel? For optimal accuracy with a fully rifled barrel, you should primarily use sabot slugs. These slugs are designed with a plastic sleeve (sabot) that engages the rifling, imparting spin. The sabot then separates from the projectile after it leaves the barrel, allowing the slug to fly true. Do not use traditional foster (rifled) slugs, as they are designed for smoothbore barrels and can lead to lead fouling and reduced accuracy in a rifled barrel.
• Can I use birdshot or buckshot in this rifled barrel? While technically possible, it is not recommended and will result in very poor patterns. The rifling will cause the shot column to spread almost immediately upon exiting the barrel, making it ineffective for shot shells. This barrel is specifically for single projectiles (slugs).
• What kind of optics are best for a slug gun with a cantilever mount? Low-power variable optics (LPVOs) like 1-4x or 2-7x scopes, or red dot sights, are excellent choices. They provide quick target acquisition at closer ranges and sufficient magnification for precise shots at longer distances commonly encountered in slug hunting.
• Will this barrel fit my Remington 870 Express, Wingmaster, Police Magnum, etc.? Yes, as long as it is a standard 12-gauge Remington 870 pump-action shotgun. The core design of the 870 receiver is consistent across these variants for barrel compatibility.

Completing Your Ultimate Slug Setup

To fully capitalize on the accuracy potential of the Mossberg 91356 barrel, consider these complementary components:

• Quality Sabot Slugs: Experiment with different brands and weights of sabot slugs to find what performs best in your specific barrel. Ammunition selection can significantly impact accuracy.
• Reliable Optics: Pair your new barrel with a durable scope or red dot sight that can withstand the recoil of 12-gauge slugs. Ensure your chosen optic has clear glass and precise adjustments.
• Proper Shooting Stance and Technique: Even with the best equipment, fundamental shooting skills are crucial. Practice prone, kneeling, and offhand positions to be prepared for various hunting scenarios.

The Mossberg 91356 Replacement Barrel for your 12-gauge Remington 870 isn't just an accessory; it's a transformative upgrade. It solves the critical problem of slug accuracy and optics mounting, turning your versatile shotgun into a precision hunting machine. This barrel represents an intelligent investment for any Remington 870 owner serious about big game hunting or achieving unparalleled accuracy with slugs.

These products are all available at DEGuns.

Product Specifications & Features Summary

Feature	Detail	Benefit
Compatibility	Remington 870, 12 Gauge	Seamless upgrade for existing 870 owners
Barrel Length	24 inches	Optimal balance of maneuverability & velocity
Chamber Size	3 inches	Accommodates 2 ¾" and 3" magnum slug loads
Rifling	Full Rifling	Stabilizes slugs for dramatic accuracy improvement
Optic Mount	Integrated Cantilever Mount	Ensures zero retention, stable optic platform
Material	Steel	Exceptional durability and longevity
Finish	Blued Matte	Corrosion resistance, non-reflective
Style	Slug Barrel	Purpose-built for precision slug shooting

Key Performance Metrics

Metric	Description	Typical Outcome
Accuracy	Precision of slug groups at range	Sub-5 inch groups at 100 yards with sabot slugs
Effective Range	Maximum distance for ethical hunting shots	125-150+ yards for deer-sized game
Zero Retention	Ability of optic to hold zero after barrel removal	Excellent due to cantilever design
Installation Ease	Simplicity of barrel swap	Quick and tool-free

Attribute	Specification	UPC
Product Model	Mossberg 91356	015813913560
Caliber/Gauge	12 Gauge
Barrel Length	24 Inches
Chamber Length	3 Inches
Finish	Blued Matte
Material	Steel
Barrel Type	Slug Style with Full Rifling
Mounting System	Cantilever Mount
Firearm Compatibility	Remington 870