I got the same troubles - solved it - have a look ....... http://www.steyrclub.com/modules.php?na ... opic&t=916
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Took my M40 pistol to the gunsmith, and had my PTs installed. The smith had unkind comments about how hard the factory sights were to remove. The new sights look great though, green dot front sight, orange dots on the rear. These sights are infinitely superior to the factory night sights I put on my M9. Maybe I can unload them and buy another set of PTs.madecov said:I have heard or seen somewhere that PT night sights makes a Steyr set.