Carlson's Choke Tubes Magazine Extension Assembly for Benelli Nova/Super Nova, CZ 712/912 and Beretta Extrema Shotgun Magazine - 04502

Carlson's Shotgun Magazine Extensions add firepower to your favorite shotgun. These magazine extensions are constructed of blued solid steel and come with spring, base clamp and a high visibility follower. The threaded tube replaces you magazine cap and gives you the ability to add extra rounds to you magazine. Fits Benelli Nova/Super Nova, CZ 712/912, and Beretta Extrema.These magazine extensions are constructed of blued solid steel and come with spring, base clamp with swivel stud (included) t