Instruct: Classify the given Amazon review into its appropriate rating category
Query: but it was a needless hustle and now I have a less than perfect part in my gun - I kept the original ...

Plate was difficult to install................ I had to file one side and part of the top of the inside face in order to make it fit. It looks OK once installed, but it was a needless hustle and now I have a less than perfect part in my gun - I kept the original rear cover plate.