You can't use the same safety currently by just moving it to the other side of the gun. Had a friend who bought the same gun five years ago. He's left handed and called up HK about it. They told him to send it in to them and they'd switch it out with a left hand safey. Don't recall what the fee was, even if there was one. Give em a call, see what they say.
As I sit and glass, which is common for hunters out west, I have sort of quickly discovered something I never learned when I was younger.
In my youth I had enthusiasm and spirit. In my middle to advancing years I have creaky knees, arthritis, and I tire more easily than I used to. Where I used to sit on the cold hard ground I now look for that soft spot to sooth my tired muscles. That leads me to my tip.
Carry your soft spot with you!
In my pack I carry an air filled, ultralight, camping pad....