Webmay 27, 2022 · the rx arms benelli m4 magazine extension is for those m4 owners who do not wish to perform the tasks needed to swap out their oem benelli m4 magazine. The first upgrade most people do to their benelli m4 is upgrade the magazine tube from 5 rounds to 7 rounds. Webjun 5, 2024 · shell tactical benelli m4 extension tubes.

Webbenelli m4 magazine extension tubes.