Sig Sauer Compact Rose Romeo-X Red Dot 2 MOA Dot and 32 MOA CircleSig Sauer Compact Rose Romeo X Red Dot 2 MOA Dot and 32 MOA Circle MIL SPEC inspired design; CNC machined 7075 aluminum housing; 2 MOA Red Dot 32 MOA Circle reticle; Beryllium copper flexure arm; Distortion free aspherical lens; Open emitter; 1x magnification with a 24mm objective lens; Side load battery compartment for 20,000 hours of use; 15 illumination settings with 3 for night vision; Weighs 1 oz with a 1. 52"" length and a 0. 94"" height; 12