Q LLC TOPRAILFIX191385IN Picatinny Rail Black Aluminum 8.50" Long, Fits The Fix
https://www.tandktactical.com/shop/850000857254-q-llc-toprailfix191385in-picatinny-rail-black-aluminum-8-50-long-fits-the-fix-18690
https://www.tandktactical.com/web/image/product.template/18690/image_1920?unique=41e4aa5
The M1913 Top Rail is compatible with the The Fix by Q to attach accessories such as optics, night vision and lasers.
