Carlsons Magazine Extension 12 Gauge 10-Round Benelli Nova/Super Nova/CZ 712/CZ 912/Beretta Extrema, Blued Steel - 04510

This magazine extension is designed for 12-gauge shotguns including Benelli Nova, Benelli Super Nova, CZ 712, CZ 912, and Beretta Extrema models, adding 10 rounds of capacity. Constructed from blued solid steel with a threaded tube that replaces the factory magazine cap, it includes a spring base clamp with swivel stud for quick detachable swivel attachment and a high-visibility follower.