Originally Posted by edbear2 Hi Louis, IIRC the elevation wheel should be solid like; https://www.airgunspares.com/std19bs...ightwheel.html Various sight units can fit, so yours might work better with a plunger, it should not be spring direct on blade if you think about it logically; https://www.airgunspares.com/16568ac...htplunger.html ATB, Ed Ed, The only problem with the pattern elevation wheel, is that they have diamond knurling on instead of the parallel knurling of the original. Such a shame, and an issue that could easily be put right. Not sure why they do it that way ?? Hope you are well. Andy
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