what would cause this on PT-22

Does anyone know what would cause this. I bought this gun new about 9 mounth's ago have run around 200 blazer's thru it, [IMG]http://imageshack.us/scaled/thumb/826/34208597.jpg http://imageshack.us/scaled/thumb/233/62254409.jpg[/IMG] called taurus told them about it and they said it was a slide stop. mine looks ok they wanted me to send it in and offered to sell me a shipping tag for $60.00.they are sending me a new slide stop, has anyone seen this before on a PT-22, thanks expressdog01

Duplicate post.
Unnecessary. Once is enough.