I've used the blue 243 on the 77 for holding grubs on Venom silencer/end catch and u/l grip etc and stock screws.
They used to work loose but the blue 243 has held them solid and it's rated as released with hand tools with no heat. It's undone easy enough for me with Allens keys.
The stock pins and silencer/ underlever aid now don't budge ... but the poi still does.
Same old same old ... bang on and then 1 inch vertical shift.