Yeah all stocks should fold to the right, they just hang better on a sling. Unless your a leftie of coarse. HK’s folders all fold to the right so it must be correct. lol
Best think you can do is always take your hits, if in doubt take it anyway. As for the tits that don’t, well to be honest it’s not worth arguing and spoiling your day. Call em out or better tell a Marshall, them just move on,
How about an AAP01 in an MP9 kit? Can add a drum mag for extra firepower. Also has a benefit of using same mags if you carry another one in standard form or a Glock as a back.