I have this used (meaning installed once, shot on only 5-6 trips to the range, then removed before selling shotgun) Benelli M1 "+4 magazine extension."
I am asking $45 shipped. I can take paypal (please add 3%) or a USPS money order. Also, please post here and email me so I can tell who’s first in line for this.
(FYI, I am also selling a new/as-new 28" vent-rib Benelli M1 barrel here on the EE... click here
Sold. Thanks GALILAR308.