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Why the Benelli M4 is the Best Choice for Law Enforcement and the Military

The Benelli M4 Review

The Benelli M4 has been a favorite shotgun of the U.S. Marine Corps. Along with the U.S. Marine Corps, other military agencies have used it for a long time as a standard combat shotgun. It is a semi-automatic shotgun. But do you know why the Benelli M4 is the best choice for law enforcement agencies and why the U.S. Marine Corps has long used it? In this review, we will explore some of the major factors behind choosing the Benelli M4.

Prominent Features of the Benelli M4

The Benelli M4 has a unique design and specific characteristics that make it a well-suited weapon for military forces and law enforcement agencies, capable of bearing any wear and tear.

The Benelli M4 has no moveable part out of the barrel that balances the shotgun against pressure. In contrast, other gas-operated systems have heavy action bars under the forend. This characteristic also enhances the durability of the shotgun and makes it easy to use.

Unlike other shotguns, Benelli works on a specific A.R.G.O. system, which means an Auto-Regulating Gas-Operated system. This A.R.G.O. system makes the Benelli M4 the best shotgun for cycling multiple ammunition types. Because of the A.R.G.O. system, the Benelli M4 has a low recoil, while other shotguns have high recoil. High recoil leads to low accuracy. The M4 has a Picatinny rail on top of the receiver for mounting optics and accessories, a ghost-ring aperture rear sight, and a windage-adjustable front sight for quick target acquisition.

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How does the A.R.G.O. system work, and why is it important? 

The A.R.G.O. system makes this shotgun more reliable and accurate. Due to this system, the shotgun can adjust with any pressure automatically, and you do not need to focus on the pressure balance specifically. The A.R.G.O. system makes the M4 a versatile shotgun that easily cycles various types of ammunition.

Benelli A.R.G.O. System - CarbonTV
Benelli Patent A.R.G.O. System.

The A.R.G.O. system has a short stroke that makes the gases hotter and cleaner. As a result, there is lower carbon buildup in the system. It also reduces the fouling. As carbon buildup lowers the functioning of the shotgun or causes James too, the presence of the A.R.G.O. system makes the shotgun more functional and increases its performance.

The shotgun’s piston is located directly against the bolt carrier. The bolt carrier rotates and unchains the bolt head. Also, it pulls out the spent shell. And finally feeds a new round into the chamber. The A.R.G.O. system provides quick and soothing cycling of the action that causes very low vibration and the lowest recoil, so the accuracy of the shotgun increases.

The A.R.G.O system cut down the need for slender grass. Also, it eliminates the piston and magazine’s need, so it frees up the space under the barrel. Due to this advantage, the Benelli M4 has multiple mounting accessories, such as lights, lasers, etc.

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What are the benefits of having a Picatinny rail and adjustable sights on the shotgun?

“A Picatinny rail is a standardized system of slots and grooves that allows for the attachment of various accessories.”

[“Picatinny Rail.” Wikipedia, 7 June 2023,]
Picatinny Rail - CarbonTV
Benelli M4 Picatinny Rail.

The Picatinny rail makes the shotgun reliable, versatile, accurate, and customizable, and it is a full mil-spec rail. A full mil-spec rail means the shotgun is designed as per military specifications, as the military needs more durability and greater dimensions.

The Benelli M4 also has adjustable sights of two types. The first is a ghost-ring aperture rear sight, and the second is a windage-adjustable front sight. Both the signs on the Picatinny rail provide a clear image of the sight readily. These sights work well even in low-brightness areas and conditions. These sights are removable and replaceable.

How do the pistol-grip stock and the skeletonized stock affect the handling and legality of the shotgun?

The pistol-grip stock provides a strong grip to the shooter’s hand even in wet and slippery conditions; a shooter keeps strong control of the weapon due to the piston’s curved structure and the rubber material’s presence. Providing a pre-fit recoil pad, the pistol-grip stock provides a pressure balance as in extreme shocks, and it absorbs some of the shock itself.

In some areas, Benelli’s other stocks are more commonly used. Also, the pistol grip stock faces some legal challenges in some areas. In that scenario, the shooter can use a skeletonized stock. It’s an alternative to the pistol grip stock. With a fixed position and it is not moveable, and makes the shotgun light in weight because this stock has a hollowed-out design. It also has an easily replaceable stock, and like pistol grip stocks, it also has a cheekpiece made from rubber to provide a strong grip to the shooter’s hand.

Final Analysis

The Benelli M4, with multiple features and specifications according to military requirements, is the best choice for military use and law enforcement agencies. It’s a reliable and accurate shotgun with a pressure balance capacity, so it doesn’t cause harm while shooting. Because of its unique A.R.G.O. system, it can cycle multiple types of ammunition. Because of its Picatinny rail, it can provide you with high customization value. The adjustable sights that the shotgun possesses make it more accurate.

The Benelli M4 has two types of stocks: pistol-grip and skeletonized. Both stocks provide a strong grip on the shooter’s hand. So, there is no doubt that the Benelli M4 is the best shotgun for the military and law enforcement agencies. It has been a favorite of several countries’ militaries worldwide. To summarize the discussion, we can say the Benelli M4 is a tactical shotgun, and if you have a zest for tactics, you can consider it to perform well in any area and situation.


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M4 Series | Benelli Shotguns and Rifles. Accessed 30 June 2023.

Iraqveteran8888. “Benelli M4.” YouTube, 6 Aug. 2021,

Michael. “Benelli M4 Review | Is the Glorious Benelli M1014 the Best?” Lynx Defense, 7 Mar. 2023,

M4 Tactical Shotguns | Benelli Law Enforcement and Defense Tactical Shotguns. Accessed 30 June 2023.

“The Benelli M4 Tactical Shotgun for Ultimate Preparedness – Firearms News.” Firearms News, 22 Feb. 2023,

Chesson, Dave, and Dave Chesson. “Benelli M4 Shotgun Review: Is It Worth the Price?” Gun University, 13 Feb. 2023,


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