Building on the success of its polymer sights, in 2013 Magpul expanded its product line by introducing its first, all-metal iron sights in its Pro series. Today the Magpul Back Up Iron Sight (MBUIS) Pro offer a sleek and minimalist flip up sight, with the Magpul legacy in quality. Scoring 18 of 25 points, the MBUIS Pro offers had marks in durability. Read the full-length article for details…more>>>