Maruzen M870 Review: Unleashing the Powerhouse of Airsoft Shotguns

The Maruzen M870 is a popular airsoft shotgun that has caught the attention of many enthusiasts. Known for its realistic feel and satisfying pump-action mechanism, it sets itself apart from other options on the market. In this article, we’ll dive into a brief review of the M870 to see if it’s the right fit for your airsoft arsenal.

As an airsoft player, you understand the importance of having a reliable, high-quality weapon on the field. The Maruzen M870 has staked its claim as a top contender in the world of shotguns. With its durable build, realistic look, and solid performance, it’s no wonder that it has become a favorite among airsoft players looking for a shotgun.

When considering the Maruzen M870, weighing its features and performance against your preferences and playing style is essential. In the following sections, we’ll explore the M870’s specs, usability, and overall value to help you make an informed decision.

Maruzen M870 Overview


The Maruzen M870 is an airsoft shotgun based on the iconic Remington M870 shotgun. The Remington M870 was first introduced in 1950, and it quickly gained popularity due to its reliability and versatility. Over the years, it has become the go-to shotgun for military, law enforcement, and civilian use.

In the airsoft world, the Maruzen M870 brings the same level of performance and realism to players like you. The gas-powered operation and shell-ejecting design provide an authentic and thrilling shooting experience, making it a favorite among airsoft enthusiasts.


Maruzen is a renowned Japanese airsoft manufacturer known for producing innovative, high-quality guns. They have earned their reputation through years of experience, dedication to craftsmanship, and attention to detail.

Some key features of the Maruzen M870 include:

  • Gas-powered operation
  • Shell-ejecting design
  • Full metal and durable polymer construction
  • Authentic design and realistic weight

As a player, you’ll appreciate Maruzen’s effort in making the M870 a reliable and enjoyable airsoft shotgun. By choosing the Maruzen M870, you’ll be investing in a high-quality airsoft gun that can enhance your gameplay and impress your fellow airsoft players.

M870 Shotgun Specifications

Power and Performance

The Maruzen M870 is a pump-action airsoft shotgun that boasts impressive power. With each pump, you’ll experience consistent shooting performance. The range and accuracy of this shotgun make it a top choice for airsoft enthusiasts.

Composite Stock

Your M870 comes with a durable composite stock. This material ensures a strong and reliable build, capable of withstanding rough airsoft matches. The composite stock also contributes to the shotgun’s lightweight design, making it more comfortable to carry around during gameplay.

Shell-Ejecting System

One standout feature of the Maruzen M870 is its shell-ejecting system. This system enhances realism by ejecting spent shells every time you pump the shotgun.

  • Shells: 3-round capacity
  • Shell Material: ABS Plastic
  • Shell Type: 12-Gauge Airsoft

This system adds to the aesthetics and provides an immersive experience that makes your gameplay feel more authentic.

Performance in the Field

Airsoft Matches

When using the Maruzen M870 in airsoft matches, you’ll appreciate its realistic feel and solid performance. Its pump-action mechanism provides an authentic experience, and its 3-round burst capabilities add a tactical advantage. Practice reloading, as the shotgun’s tube magazine can hold up to 30 rounds.

Law Enforcement Training

The M870’s reliable performance lends itself well to law enforcement training scenarios. Its similarity in size and function to a real shotgun allows officers to practice proper firearm handling and techniques. Table 1 shows the specifications of the Maruzen M870 airsoft shotgun:

Magazine Capacity30 rounds
Weight2.3 kg
Length965 mm
Firing ModesPump-Action (3-Burst)

Keep in mind the following points when using this airsoft shotgun:

  • The adjustable hop-up system ensures optimal accuracy and range.
  • Be prepared to experience decent kickback due to the shotgun’s realistic gas blowback (GBB) system.
  • With a standard FPS of around 290, the Maruzen M870 is suitable for most airsoft arenas and law enforcement training.

In summary, whether you’re participating in competitive airsoft matches or law enforcement training exercises, the Maruzen M870 delivers a satisfying and realistic experience worthy of consideration.

Maintenance and Care

Regular Cleaning

To ensure the proper functioning of your Maruzen M870, it is important to clean it periodically. Use a soft cloth to wipe down the exterior and remove any dirt or debris. Use a cleaning rod with a cloth or swab for the barrel to remove any buildup gently.


Proper lubrication is essential for your airsoft gun’s smooth operation and longevity. Apply a small amount of silicone oil to the moving parts, such as the pump mechanism, trigger assembly, and bolt. Avoid using petroleum-based products, as they can deteriorate the rubber components.


When storing your Maruzen M870, ensure it is in a cool and dry environment. Remove the magazine and discharge any remaining gas, which can cause damage over time. Avoid direct sunlight and extreme temperatures, which can adversely affect the airsoft gun.

ExteriorWipe cleanAfter use
BarrelCleaning rodMonthly
Moving partsSilicone oilMonthly
Storage conditionsCool, dry, no gasAlways

Following these simple steps will ensure that your Maruzen M870 stays in optimal condition and provides an enjoyable airsoft experience.

Comparisons and Alternatives

Other Airsoft Shotguns

There are several alternatives to the Maruzen M870 that you might consider. The Tokyo Marui M870 is popular because of its gas-powered system and adjustable hop-up. It also boasts a realistic pump action and reliable performance on the field.

Another option is the Cyma CM.355, an affordable spring-powered shotgun with a polymer body and metal barrel. It’s great for beginners looking for their first airsoft shotgun.

Real Steel M870

The Remington M870 is a well-respected and reliable shotgun with a long history of use in various applications, such as hunting, law enforcement, and even the military. Its proven design offers impressive performance and durability. Here’s a quick comparison with its airsoft counterpart, the Maruzen M870:

FeatureMaruzen M870 (Airsoft)Remington M870 (Real Steel)
PowerGas or spring12-gauge shells
MaterialABS plasticSteel

With a wealth of aftermarket parts and customization options available for both the airsoft and real steel versions, you can tailor your M870 to fit your preferences and needs. When choosing an airsoft shotgun or comparing it to its real steel counterpart, consider the intended use and your skill level in the sport.


The Maruzen M870 excels in reliability and consistency. Its gas-powered system ensures a smooth user experience, while its realistic shell ejection adds a level of immersion that sets it apart from other airsoft shotguns.

Your Maruzen M870 is constructed with high-quality materials, making it a durable and long-lasting choice for airsoft enthusiasts. The metal and polymer components enhance the overall feel and sturdiness of the gun.

With plenty of rail space and aftermarket upgrade options, you can tailor your M870 to your preferences, ensuring optimal performance on the airsoft field.

The Maruzen M870 offers outstanding performance, build quality, and customization options. It’s an excellent choice for airsoft players seeking a reliable, immersive shotgun experience.

Frequently Asked Questions

Q. What is the performance of the Maruzen M870?

The Maruzen M870 is a gas-powered airsoft shotgun with a solid range and accuracy. Expect smooth pump action and a satisfying shooting experience.

Q. How many BBs can the Maruzen M870 hold?

The M870 uses shell magazines, each holding 30 BBs. Generally, it fires 3 BBs per shot to get 10 shots per shell.

Q. What type of gas does the Maruzen M870 use?

The Maruzen M870 is a popular airsoft shotgun that provides players with a reliable and enjoyable experience. It uses green gas, a commonly used propellant in gas-powered airsoft guns, which is easily accessible and provides consistent performance.

The shotgun has sturdy plastic and metal components, giving it a realistic feel and durability. Regarding compatibility, the M870 works well with most shell magazine brands, offering greater flexibility in loadout.

Additionally, the shotgun is easy to maintain and customize, making it an appealing option for both beginners and experienced players alike. Overall, the Maruzen M870 is a great choice for anyone looking for a reliable and customizable airsoft shotgun that’s easy to use and offers a realistic feel.

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