Product Description Williams Fire Sights are fiber optic light gathering sights that offer high visibility, improved sight picture and fast target acquisition. Gunsmith installation is recommended. Williams Fire Sight Set for Ruger GP100 at MidwayUSA Browse all MidwayUSA deals $68.99 Out of Stock Price verified 3d ago Buy Now at MidwayUSA Secure checkout Easy returns or compare prices Amazon eBay Product Details Category Handgun Sights Brand Williams MPN 70958 Williams