Carlsons 12 Gauge Magazine Extension — 10-Round Blued Steel

The Carlsons magazine extension is a threaded tube designed to increase magazine capacity on compatible 12 gauge Benelli shotguns. Constructed from blued steel, the tube replaces the factory magazine cap and ships with installation hardware to support added capacity. Included components vary by unit; the extension ships with a spring, a base clamp with swivel stud, and a high-visibility follower where applicable. Some installations may require reuse of the factory follower.

Key Specifications

• The brand is Carlsons.
• The product type is a Magazine Extension.
• The caliber is 12 gauge.
• The capacity is 10.
• The material is steel.
• The finish is blued.
• Included hardware consists of a spring, base clamp with swivel stud, and a high-visibility follower (where applicable).
• Compatible with Benelli M2; Benelli Super Black Eagle I, II, and III; and Benelli M1 as listed by the manufacturer.
• The tube is threaded to replace the factory magazine cap for installation.

With durable blued-steel construction and the included installation components, this magazine extension provides a straightforward way to increase onboard capacity for lawful shooting activities and competitive use. Its compatibility with a range of Benelli models makes it a practical upgrade for owners seeking reliable, serviceable magazine capacity enhancement.