Shop › MESA SURESHL CARRIER BEN M4 6-12GA MESA SURESHL CARRIER BEN M4 6-12GA $136.95 sold out Mesa Tactical 6-Shell Side Saddle, 12 Gauge, Fits Benelli M4, On-gun shotshell carriers, Black Finish 90880 Sold Out Added! Mesa Tactical 6-Shell Side Saddle, 12 Gauge, Fits Benelli M4, On-gun shotshell carriers, Black Finish 90880