Panzer M4 Tube Extension
There is a very. Webthis pw arms panzer extension tube is designed for the benelli m4 and panzer arms m4 clones. Webpanzer m4 magazine extension tube. The threaded tube replaces you magazine cap and gives you the ability to. Webthe 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 full.
Eliminate the hassle of adding. This will not work on the benelli m4.
