ProMag Benelli M4 Shotgun +2 Magazine Extension Tube 12 Gauge (PM145A)

The ProMag PM145A magazine extension adds two (2) 3" magnum shells, or three (3) 2-3/4" shells in capacity to 12-gauge Benelli M4 Tactical Model shotguns. The magazine extension is machined from solid billet T6 aluminum alloy, then type III hard anodized. The spring is precision wound using Chrome-silicon wire, for reliability and long life. All steel components are black phosphated. Magazine extension tube clamp included, along with all mounting hardware. No permanent modification required.

ProMag Benelli M4 Tactical 12 Gauge Shotgun Magazine Extension Features
- Increases capacity by two 3” magnum shells or three 2 3/4” shells
- No permanent modification required

ProMag Benelli M4 Tactical 12 Gauge Shotgun Magazine Extension Specifications
-Compatible With: Benelli M4 Tactical Shotguns Only
- For Caliber: 12 Gauge Only
- Capacity: Adds Two (2) 3" Magnum Shells, or Three (3) 2-3/4" Shells
- Material: T6 Aluminum Alloy, Type III Hard Anodized
- Finish: Matte Black
- Model Number: PM145A
- UPC: 708279009921

***PLEASE NOTE***
This extension kit is made to fit the Benelli M4 Tactical 12 Gauge ONLY.