Introducing the Offset DOT Mount for Aimpoint ACRO and Steiner MPS enclosed miniature red dot sights. Designed as a secondary sighting system for rapid target engagement, the Offset DOT Mount is compatible with Aimpoint ACRO and Steiner(R) MPS(TM) optics, as well as any other MRDS that utilizes the ACRO footprint. DOT Mount - Offset for ACRO and MPS is reversible to be used on the left or right side of the 1913 Picatinny rail. Like all Reptilia products, the Offset DOT Mount is 100% made in the USA and carries a full lifetime warranty against manufacturer defects. Compatible with: Aimpoint(R) - ACRO P1 and P2 Steiner Optics(R) - MPS