A few things I have noticed.

- 5" holster, but will fit 4-1/4" guns and I assume shorter that have similar dimensions around the ejection port and trigger guard.

- older holster so may not apply, but max sight height is maybe 1/16" taller than a Novak rear. No way a suppressor height sight set up would fit.

- there is a shroud over the hammer that works with safety on or off. Acts a bit like a guard on the ALS button too. Not quite as ergonomic/intuitive as a straight ALS set up on a no thumb safety pistol, but not bad.

- unlike a lot of 1911 holsters it is a no go on the P35. The lock simply won't click in to the ejection port.

- not a clue on 9, 40, 10, etc models. Totally depends on shape/dimensions around the port and trigger guard area being close to a .45 1911.