Carlson's Choke Tubes Benelli Nova/SN Ber Extrema/1301 CZ 712/912 Magazine Extension 10 Shot Black

Carlson's Choke Tubes Benelli Nova/SN Ber Extrema/1301 CZ 712/912 Magazine Extension 10 Shot Black. These magazine extensions are constructed of blued solid steel and come with spring base clamp with swivel stud (included) to work with quick detachable swivel (not included) and a high visibility follower. The threaded tube replaces you magazine cap and gives you the ability to add extra rounds to you magazine. Easy to follow instructions are included. The magazine extension tube is great for hom