Hiya,
if you back off the screw that holds the safety in by a quarter turn that may give you the desired level friction, likely just a fraction too tight.
Older generation mags did have a little white dot for reference but when the mags were re-designed this went, i'm sure a touch of tipex strategically placed would do the same job tho![]()
On the Kozak slackening the safety screw wont help (I tried this first to no avail, you’d need to see it for all to be clear). The safety simply slides a block under the back of the trigger to stop its movement. In my case there was insufficient clearance but increasing the first stage travel gave a bit of extra gap to make operation easy.
Re mags, good to know, thanks.