Benelli M2 vs. M4: What Is the Difference?

Benelli M2 vs. M4: What Is the Difference?

The Italian gun manufacturers have made a lot of great guns and are particularly good at shotguns. Italians know how to make good guns, from nice double-barreled clay guns to decent tactical shotguns.

Benelli and Beretta are the most prominent products from Italy. Benelli is mainly known for its semi-automatic models, and the Benelli M2 vs. M4 shotguns are revolutionary and attractive designs.

So what’s the difference between these two great shotguns?

Keep reading to see more!

Pros And Cons Of Benelli M2 vs. M4

Benelli M2 

The M2 Benelli shotgun
The M2 Benelli shotgun

The M2  Benelli series is the most popular of the Benelli shotgun series. Also, the M2 is available in the widest range of configurations.

It is available in the tactical gun many hunters know and prefer but also available in the Field Rifle Slug,  Field model, Turkey Performance shop, 3-Gun model, and Waterfowl model.


  • Fast handling and lightweight.
  • Simple and robust inertia operation.
  • Crio System barrel and choke tubes.
  • ComforTech recoil reduction system.
  • Various great reviews.
  • The Crio System makes the surface smoother.


  • No optic rail

Benelli M4 

The Benelli M2 shotgun.
The Benelli M2 shotgun.

The M4 Benelli is our favorite pick of all time. It could be the most versatile and capable shotgun on the market. It was initially built for the US Marine Corps.

The M4 is one of the most reliable and cleanest running gas-operated shotguns on the market. It’s the heaviest model in Benelli’s lineup but still only weighs less than 8 pounds.


  • 5.25” Picatinny rail
  • Include one choke tube
  • Pistol-grip synthetic buttstock
  • Pistol-grip synthetic buttstock.
  • Benelli’s trademark is always a pro.
  • Work well with everything from field loads to hard-hitting 3”.
  • Operated by the special Auto-Regulating Gas-Operated operating system.


  • Pricey
  • The trigger safety is at the rear.

Benelli M2 vs. M4: Main Differences

The Benelli M2 is the inertia-driven gun. At the same time, its M4 counterpart was the first gas weapon of Benelli that used the Benelli’sAuto-Regulating Gas-Operated operating system and was built for the US Marine Corps.

The Benelli M2 is Benelli’s most popular shotgun, while the heaviest model in Benelli’s lineup is the M4 Benelli.

The M2 is available in various configurations. Meanwhile, the Benelli M4’s structures may vary between standard and fixed stocks.

Head-to-head comparison of Benelli M2 and M4 Shotgun


When talking about price, the M2 beats its M4 counterpart Benelli as it is cheaper than the Benelli M4 series.

The price difference is vast as the price of the M2 shotgun is the lowest among the M series of Benelli, while the Benelli M4 shotgun is the most costly model.

Thanks to that, the M2 Benelli won over M4 in this category.

The Winner: The M2 Benelli.

Design And Ergonomics

The M2 is an inertia-driven gun, allowing it to operate cleaner than the gas-operated shotgun.

During testing, we noticed that the Benelli M2’s ComforTech feature makes it smoother and easier to fire than its Benelli M4 counterpart, which is heavy, fires softly, and chugs ammo.

The Winner: The M2 Benelli.

Weight And Size

The stocks of both shotguns have the same weight, while the barrels are also similar.

But the M2, as an inertia model, is lighter than Benelli M4 when comparing similar models.

As the M2  is lighter, its portability will be better, which is very important in many situations.

The Winner: The M2.


There is no denying that the M4 Benelli shotgun is reliable as it operates on a dual short-stroke gas piston system (which may be bomb-proof).

Meanwhile, the M2 Benelli runs on the tested and tried Inertia-Driven system, which is also quite reliable.

Both models work one hundred percent accurately with slugs, so the result in this category is one draw.

The Winner: Draw.

Operating System

 The M4 operates by a unique system
The M4 operates by a unique system

When comparing the M4 and M2 shotguns, the OS is also significantly different.

The M2 Benelli model comes with Inertia System, while its M4 counterpart operates by an Auto-Regulating Gas-Operated operating system.

In essence, the Auto-Regulating Gas-Operated operating system is better than the Inertia-Driven System, allowing the Benelli M4 shotgun to win this category.

The Winner: The M4 Benelli.


In this category, the M4 Benelli shotgun beats the M2 Benelli, which does not have the same optics.

The M4 Benelli has an adjustable ghost sight with a dot (white). Additionally, it has a 5.25 inches Picatinny rail, enabling the hunters to mount optical sights and additional scopes.

The Winner: The Benelli M4.

Comparison Table

The M2 Benelli  The M4 Benelli 
Brand Benelli Benelli
Model Benelli M2 (Field) Benelli M4 (Tactical)
Weight 6.7 lbs 7.8 lbs
Feed System 5 + 1 5 + 1
Length (inches) 39.75 40
Case Capacity 5 + 1 5 + 1
Operating System Inertia-Driven System Auto-Regulating, Gas-Operated
Barrel Length 18.5″ 18.5″

Benelli M2 vs. M4: Which One Is Better?

When choosing between the M4 and M2, we tend to lean towards the Benelli M4 as it comes with the Auto-Regulating Gas-Operated operating system. Also, this shotgun is reliable and has fast handling.

The M2 is the way to go if your first priority is price. It is still a good choice and a great tactical shotgun.


Is Benelli M2 a Good Gun?

The M2 is a strong, reliable, and fully functional shotgun.

It works well from pure, no-compromise hunting under challenging environments for various games to action shooting that puts you to the test.

The Benelli M4 is super rugged. It is an accurate, reliable,  powerful, and easy-shooting semi-automatic shotgun.

Is Benelli M4 a Good Gun?

The fact is that it was designed for the US Marine Corps. Although it is a great tactical shotgun, the M4 is available at a high price.

This shotgun is a capable defensive weapon for any hunter, although it is built for combat.

Can a Benelli M4 Shoot Slugs?

Shooting the M4 with slugs via a Mod choke is perfectly acceptable.

The rifled slugs are built explicitly with grooves so that the slug has some room to squish through the choked barrel.

How durable is The M4?

Many testing of the Benelli M4 shotgun shows a high level of reliability. This gun can reliably function for at least 25,000 rounds without the replacement of any parts.

Does the Benelli M4 come with chokes?

The Benelli M4 has a modified choke with three dots.

What Bullet Does Benelli M4 Utilize?

It can shoot 70 mm (2.75 in) and 76 mm (3 in) shells of propellant loads without any operator adjustments.

Is the Benelli M2 Worth It?

The answer is Yes. The M2 has built an awesome reputation for fast handling and reliability over years. It is a strong, reliable, and fully functional weapon.

The Bottom Line

You’ve got all the information you need via this Benelli M2 vs. M4 comparison. Both shotguns are Benelli masterpieces, and each is great in its own way. So you should make a choice based on your preferences, needs, and budget.

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