I bought the two Raddlock kits from you few days ago and install on my A3 have no problem. How ever, if your A3 has NTAO stock (use AR15 mag), then the Raddlock kits will not work.
I was told by Peter, Raddlock will not work on the NATO stock version but from the photo it should work since mag release is at same location for both stock version. However, I have no NATO stock to verify.
If your AUG A3 stock looks like the one on top then Raddlock kits will work but not the one on the bottom. Thanks