In comparing the Benelli M2 vs M4, their operating system is one of their main differences. The M2 shotgun operates with Benelli’s Inertia-Driven® System, while the M4 operates by a unique, Auto-Regulating Gas-Operated (A.R.G.O.) system, which is better in a lot of essence than the M2’s.

The Benelli M4 is one of the cleanest running and most reliable gas-operated shotguns on the market. It’s the heaviest shotgun in Benelli’s lineup, but still only weighs 7.8 pounds. Configurations vary between fixed stocks with pistol grips and standard stocks.

We are comparing two top tier Italian shotguns today, the Benelli M2 vs M4. One runs off inertia, one runs on gas. Which is right for you?

The choice between the Benelli M2 and M4 ultimately comes down to personal preference and intended use. The M2 is lighter and more versatile, while the M4 is known for its reliability and durability in tactical situations.

Benelli M2 vs M4: How are they different? Now, we’ll be doing a side by side comparison of the M2 and M4 in different categories: weight, size, design, use, capacity, price, options, and application.