BENELLI M4 +1 Canadian Legal MAG EXTENSION
This will allow +1 round of 3 inch magnum shot shell in a limited cap factory mag tube.
No tools needs
Use factory spring machined from solid 4140 steel
Controlled gas nitride finish
no new spring is needed as factory spring works perfect
Made in Canada
these mag magtubes replace the aluminum block you see on the canadian imported benelli m4 shotguns , that are imported.
benelli M4 full magazine tube will hold 7 rounds of 2.75 or 6 rounds of 3 inch shells, our magazine tube is machined to allow the maximum legal capacity or 5 roungs of 3 inch shells