Carlsons Magazine Extension – Benelli Nova, CZ, Beretta 12GA 10-Shot

The Carlsons magazine extension converts compatible 12-gauge shotgun magazine tubes into a higher-capacity configuration. Constructed from blued solid steel, this extension replaces the factory magazine cap with a threaded tube. It ships with a spring, base clamp with swivel stud, and a high-visibility follower. The extension is designed to fit a range of platforms, including Benelli Nova/Super Nova, Beretta Extrema & 1301, and CZ 712 & 912.

Key Specifications

• The caliber compatibility is 12 Gauge.
• The capacity is 10-shot.
• Constructed from blued solid steel for durability.
• Includes spring, base clamp with swivel stud, and a high-visibility follower.
• Fits Benelli Nova / Super Nova; Beretta Extrema & 1301; CZ 712 & 912 platform models.
• Installation replaces the factory magazine cap with a threaded extension tube.
• The finish is blued to match traditional steel shotgun components.
• Overall dimensions are listed as 2.85 x 4.85 x 15.75 inches.
• The weight is approximately 0.6 lb.

Built to provide a reliable, low-profile capacity increase, this extension is suitable for range use, competition settings, and other lawful applications where additional magazine capacity is desired. The included hardware and follower simplify installation and integration with compatible shotgun platforms, delivering a rugged, serviceable upgrade in a familiar blued-steel finish.