many thanks.masaki wrote: ↑Mon Jul 05, 2021 12:33 pm emre-nur,
I hope you have solved the problem already, but for your information, I have modified a cheap Allen screw driver came with formerly own LP300, CPM1 or CP2 by reducing the handle diameter to 8.5mm.
Your LP500's trigger guard should have a Φ10.0 hole which axis is concentric to the screw for the 2nd stage trigger force adjustment. So, you can have access to the screw through this hole.
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RkswdyYGR26gTmGIlbjVCw_thumb_d3b.jpg
Ciao!
Masaki
I found an "L" shaped allen key and pulled the trigger forward. seemed to work.
though I have decided not to touch the trigger setting too much.