I'm sure there's been plenty of others on here do this but maybe it's of help anyway. Have had 3 X-Bolt triggers modified by a local part-time gunsmith with very good results, takes around 30-40 mins for $65. Remove trigger from action, disassemble, remove original spring and replace with lighter spring cut from commercial spring stock of same diameter, polish sear and contacting face. Reassembly - reverse process. Be sure to rigorously check trigger security with cocked action prior to loading live ammunition in the chamber. Care must be taken when polishing the sear and contacting faces as this will also probably alter trigger pull weight and feel. You may have to do this more than once to get the desired result, better to repeat process than got too far in one step. When disassembling the trigger don't be fooled by slots in the heads of the pivot pins, they are just marks left by the tooling during manufacture when the head of the pin is upset to maintain retention when assembled, they are not screw slots.
Be sure to rigorously check trigger security with cocked action prior to loading live ammunition in the chamber. If you're not comfortable doing this yourself it's not going to break the bank getting a professional to do it.
A good guide here: No.12. Browning X-Bolt Install a Light Trigger Spring
This spring is no longer available but you will of course be able to substitute your own alternative.
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