Q LLC TOPRAILFIX191316IN Picatinny Rail Black Aluminum 16" Long, Fits The Fix
https://www.tandktactical.com/shop/850035705209-q-llc-toprailfix191316in-picatinny-rail-black-aluminum-16-long-fits-the-fix-18691
https://www.tandktactical.com/web/image/product.template/18691/image_1920?unique=45967f7
The M1913 Top Rail is compatible with the The Fix by Q to attach accessories such as optics, night vision and lasers.
