Introducing the ultra Low Height DOT Mount(TM) for Aimpoint(R) ACRO(TM) and Steiner Optics(R) MPS(TM) by Reptilia is a lightweight, slim-line mounting solution for allowing for co-witness with BUIS on subguns and AKs with gas tube with 1913 Picatinny atop. Machined from billet 7075-T6 aluminum with Milspec Type III hard anodized finish, this Low DOT Mount attaches to any M1913 Picatinny rail. Its spring-loaded nitrided steel clamp and mounting bolt simplify the installation process, and sit flush with the body of the mount for a low-profile, anti-snag design. Like all Reptilia products, the DOT Mount is 100% made in the USA and carries a full lifetime warranty against manufacturer defects. Compatible with: Aimpoint(R) - Acro(TM) Steiner Optics(R) - MPS(TM)