O-Ag,

I’ve used Brownells p/n 080-924-464 for my older Ruger 77/22 factory rings and they seem to be a perfect Torx head replacement for the factory slotted screws. They are 6-40x1/4” T10. A 12-pack is $5.99 per their website.

Rich


"One useless man is a shame, two is a law firm, and three or more is a Congress."
- John Adams