This Carlson’s magazine extension (mfr. part no. 04510) adds 10 rounds of capacity to a 12-gauge Benelli Nova, Super Nova, CZ 712, CZ 912, or Beretta Extrema shotgun.

Key Specifications

• Adds 10 rounds to your shotgun’s magazine capacity.
• Fits the Benelli Nova, Super Nova, CZ 712, CZ 912, and Beretta Extrema.
• Constructed of blued solid steel.
• Includes a spring.
• Includes a base clamp with swivel stud (works with a QD sling swivel, sold separately).
• Includes a high-visibility follower.
• Threaded tube design replaces the factory magazine cap.
• Overall length of approximately 15.75 inches.
• Manufactured by Carlsons.

Frequently Asked Questions

Which shotguns is this extension compatible with?

The Benelli Nova and Super Nova, CZ 712 and 912, and Beretta Extrema.

Does the extension include the mounting hardware?

Yes, a spring, base clamp with swivel stud, and follower are included.

Buy the Carlson’s Nova/Extrema Magazine Extension

Shop the Carlsons lineup or browse our full Shotgun Magazines selection to find the right fit for your firearm.