The Co-witness Ready Optic Mount (CROM) is a direct mount for
attaching a Trijicon RMR to your Beretta 1301 Tactical Shotgun. The CROM
replaces the factory plastic rail and rear sight and directly mounts
the optic to the shotgun’s receiver. This allows the optic to sit much
lower, providing a consistent and proper cheek weld.
The CROM utilizes an XS rear ghost ring that is adjustable for both
windage and elevation. This gives you the ability to co-witness the rear
ghost ring and the factory front sight, allowing an emergency backup
sighting system in case of optic failure.
This particular model sports the preferred Ghost Ring setup of legendary shotgun
instructor Rob Haught. The top half of the XS Sights aperture is milled off, resulting
in an open U notch. The aperture is then deburred, sanded, and
parkerized. This modified aperture allows for quicker
sighting and a cleaner sight picture when using a red dot optic with the
Note: The zero of a shotgun is very dependent on the specific
barrel and ammunition used. While the XS rear sight allows for a wide
range of adjustment, we cannot necessarily guarantee a perfect
co-witness. However, all testing has shown excellent usability with a
variety of loads and guns.
This is for the Beretta 1301 Tactical ONLY, and will not work
with the 1301 Competition model as the hole spacing in the receiver is