Enhance your shotgun's performance with Carlson's 12GA Magazine Extension for Benelli M2 Black Eagle I/II/III. Crafted from durable blued solid steel this extension increases your magazine capacity with a sleek functional design. It comes complete with a spring base clamp featuring a swivel stud for quick detachable swivel compatibility and a high-visibility follower (some models may require a factory follower). Ideal for home defense competition shooting and law enforcement this threaded tube seamlessly replaces your factory magazine cap and boosts firepower. Engineered to fit Benelli M2 models for reliability and precision. Perfect for anyone looking to upgrade their shotgun capacity and performance.