Yep, IIRC they mostly sell blanks for 458 SOCOM now but they should still have buttons with other twists. I think the SOCOM is a little faster than 1-20.

EDIT, they currently offer 1-14 and 1-22 for 458 SOCOM.

My Pacnor 1-22 shoots great but i still kinda like a 1-20 better.