Tac Sol Rug Mk Series Hlstr High Blk https://www.amazon.com/dp/B006PH9CZG/ref=cm_sw_r_cp_api_CxrHAbPY61RTP

Same thing, more details: http://blackdogmachinellc.net/holster-for-the-ruger-mark-series.aspx Be sure to read the notes on the 22/45.

Most importantly, measure the diameter of your can. A Spectre II will fit. A Mask HD will not. I know from experience.

Aside from fitting a suppressor, the coolest thing about these holsters is that they let you run a red dot sight as well.