I purchased this $40 rear sight tool on Amazon a couple days ago. I used it yesterday and it was great. Pushed my glock night sights out extremely easy. It didn’t hurt my finish either. Then it pushed my new sight in very easy as well. You use a ratchet to operate the pusher mechanism. The actually pusher has an angled end and a flat end depending on the type of sights you are installing. Overall I am very impressed with this tool so far. And it’s made in America which makes it even better. If your looking for a cheap rear sight tool then look no further.
Universal Sight Pusher Tool for Handguns - Easily Remove/Install Sights on Glocks, 1911, sig, and Others https://www.amazon.com/dp/B075QV1SQY/ref=cm_sw_r_cp_api_i_d2wpEbW2SPTZJ
Universal Sight Pusher Tool for Handguns - Easily Remove/Install Sights on Glocks, 1911, sig, and Others https://www.amazon.com/dp/B075QV1SQY/ref=cm_sw_r_cp_api_i_d2wpEbW2SPTZJ