Magpul Radius - Black Frame / Gray Lens BlackRadius glasses manufactured by Magpul combine high quality materials and superb protection with a ca sual style and inconspicuous looks. The product is designed with shooters in mind. It integrates uno btrusive temples with a low key frame and impact resistant lenses for a perfect blend of looks and e ye protection. Radiuses are best suited for medium to large sized faces or users fond of generous gl asses. Reinforced frames and temples are injection