Here is a WC video detailing the installation of our magazine extension tube…
Extension Tube Video
Do you guys make a spring that will fit my Benelli M4 with a 2 shot extension? Someone suggested that you might.
We don’t make a spring specifically for the Benelli, but the spring we have for an 870 with 2 shot extension may work. We don’t have a M4 in the shop to test:confused: