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M3 Convertible Semi-Auto Pump Shotgun

Gauge: 12-Gauge
Chambered for: 2-3/4" and 3"

Starting Price


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  • Select a Finish/Stock

    Black Synthetic, Tactical

    Black Synthetic, Tactical

Starting Price


The M3 Convertible semi-auto pump shotgun offers dual operation. You can choose either semi-auto or pump action, depending on the specific purpose. The M3 delivers fast cycling semi-auto fire with conventional loads or pump-action for low-energy, special purpose loads.

  • Ultra-reliable Inertia Driven® system (semi-auto operation)  
  • Available in 12-gauge
  • Ghost-ring sights for quick target acquisition
  • Quickly changes between semi-auto and pump action

See this innovative, dual-operation shotgun at your Benelli USA dealer.



M3 Convertible Auto/Pump Shotgun 12-Gauge 2-3/4" and 3"

19.75″ Black Synthetic, Tactical 41″ 7.2 lbs. $1,599

Additional Specifications

Overall Length: 41″

Average Weight: 7.2 lbs.

Magazine Capacity: 5+1

Chokes: Fixed Cyl.

Type of Sights: Ghost Ring

Length of Pull: 14-3/8″

Drop at Heel: 2″

Drop at Comb: 1-3/8″

Specifications are subject to change without notice.


Benchmark of Reliability

Inertia-Driven® System

An Inertia-Driven® System shotgun is clean, reliable, and adjustment-free.

More About Inertia Driven® System

Standard Features

  • Fixed Choke

    Fixed Choke

    This model has a fixed cylinder choke.

  • Bolt-Lock Lever

    The bolt-lock lever performs 3 important functions: 1) It locks the bolt back on an empty chamber. 2) It releases a shell from the magazine. 3) It indicates a cocked hammer, making it obvious by both sight and feel. The bolt-lock lever is conveniently located on the front of the trigger guard.

  • Rotating Bolt Head

    Chamber pressure is contained by the massive, 2-lug rotary locking head, which locks into the steel barrel extension.

  • Ergonomic Trigger Guard and Safety

    The trigger guard and safety are ergonomically designed, blending style and function.

  • Removable Trigger Assembly

    Easily remove the trigger assembly as a unit by driving out just one pin.

  • Ghost Ring Sights

    Ghost Ring Sights

    This model comes standard with ghost-ring sights.

Optional Features

  • Tactical Gun Case

    This tactical gun case is the perfect carrying case for this and any of the other Benelli tactical or special purpose rifles or shotguns. Originally designed for military deployment and police SWAT teams, the black soft case is well padded and super-tough. It also features a specially designed accessory pocket.

  • Gun Sock

    The Benelli Gun Sock is impregnated with VCI to keep your gun lubricated and prevent rust. The sock actually lets the gun breathe.


  • M3 Convertible Semi-Auto Pump Shotgun Product Manual (1.87 MB)

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