Sig Sauer Electro-Optics SOR1MK011 Romeo1 Mounting Kit Black Steel, Compatible w/Glock MOS To Slide Mount
http://www.tandktactical.com/shop/798681578115-sig-sauer-electro-optics-sor1mk011-romeo1-mounting-kit-black-steel-compatible-w-glock-mos-to-slide-mount-5425
http://www.tandktactical.com/web/image/product.template/5425/image_1920?unique=ab190cf
Factory replacement handgun mounting kit specifically for the ROMEO1 and ROMEO1 PRO for Glock MOS.
