Reptilia Corp Saddle Mount for Beretta 1301 & A300 for Aimpoint ACRO & Steiner MPS Introducing the Saddle Mount for Steiner MPS & Aimpoint ACRO Optics for the Beretta 1301 & A300 line of shotguns. Machined from billet 7075-T6 Aluminum and finished with Milspec Type III Hard Coat Anodize, the Saddle is the lowest possible mounting solution for miniature red dot optics utilizing the Aimpoint ACRO footprint, allowing the user to co-witness the factory Beretta iron sights. This mount utilizes the screws that come with the 1301 and A300. Compatible with Aimpoint ACRO and Steiner MPS