Carlsons Magazine Extension Benelli M1/M2 20 Gauge 8rd Shotgun Magazine, Blued - CARL 04531

This magazine extension for Benelli M1/M2 shotguns in 20 gauge adds 8 rounds of capacity. Constructed of blued solid steel with a threaded tube design that replaces the magazine cap, it includes a spring base clamp with swivel stud and high-visibility follower for quick detachable swivel compatibility.