The Carlson's Choke Tubes 04508 Magazine Extension transforms the Benelli M4 from a standard capacity shotgun into a high-capacity tactical platform. This extension adds seven additional rounds to the M4's magazine capacity, bringing the total to eleven rounds of 12-gauge ammunition.
What Makes This Different
Unlike universal extensions that require modification or compromise reliability, the Carlson's 04508 is engineered specifically for the Benelli M4's unique magazine tube dimensions and spring system. The extension maintains the shotgun's cycling reliability while providing substantial capacity increase. The blued steel construction matches factory Benelli finishes and provides corrosion resistance superior to basic steel alternatives.Key Features
- Increases magazine capacity by 7 rounds (11 total with standard M4)
- Blued steel construction with corrosion-resistant finish
- Direct fit for Benelli M4 12-gauge shotguns without modification
- Includes heavy-duty magazine spring rated for extended capacity
- Precision-machined threads ensure secure attachment
- Maintains original shotgun balance and handling characteristics
- Compatible with standard M4 magazine caps and followers
Technical Specs
- Compatibility: Benelli M4 12-gauge shotguns
- Capacity increase: +7 rounds
- Material: Blued steel construction
- Finish: Corrosion-resistant blue
- Thread pitch: Standard Benelli M4 magazine tube
- Includes: Extension tube, magazine spring, installation hardware
- Manufacturer: Carlson's Choke Tubes
- Model: 04508
