The 1.93 DOT Mount by Reptilia is a lightweight, slim-line mounting solution for a variety of red dot optics. Machined from billet 7075-T6 aluminum with Milspec Type III hard anodized finish, the 1.93 DOT Mount attaches to any M1913 Picatinny rail to place the optical axis at 1.93 inches above the 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.Features:Type III hardcoat anodized 7075 aluminumNitrided 4140 steel55 gramsCompatible with:Aimpoint - Micro R-1, H-1, H-2, T-1, T-2, CompM5Sig Sauer - ROMEO4 , ROMEO5 & ROMEO-MSRVortex Optics - Crossfire, Sparc I & IIPrimary Arms - Classic Series Gen II, SLx Advanced Rotary Knob Microdot, & SLx Compact 1A-20 Prism Scope - ACSS-CyclopsHolosun Technologies - HS403, HS503 HS504, HS515, & HS515 Series