The tactical is fully ambidextrous. One of the reasons I have HK45 (previously a capa man) is I had various friends running it from the release of the standard version and never had to replace any of it. I got the tactical not long after the release and much the same. That's running it as a primary too not just a holster filler like most. Although I have changed it a little. With a little inner barrel modification you can fit any TM cut gbb inner barrel so you are not limited to the lalax. And don't change to any of their springs they're rubbish and impede performance, many people I know and in discussions have found this.
Terrible gun but I do love mine.