Bob Smith Industries BSI-205 Slow-Cure™ Epoxy - 4.5 oz. Combined, Clear - 30-Minute Working Time Adhesive for Wood, Fiberglass, Metal, Crafts & Structural Repairs

Depends on the epoxy. I’ve had it on multiple guns, and when ready to sell you can take you time, get something under a corner and it’ll start popping off. A little heat will help. This is the epoxy that I use. And it has yet to just fall off Bob Smith Industries BSI-205... https://www.amazon.com/dp/B0166FFFS4?ref=ppx_pop_mob_ap_share I’ve had handle it, talon, kiral defense, which lasted the longest, but nothing worked better for me thank 46/90 silicon carbide, same grit as pretty much all the tapes