Originally Posted by MarcDW
While I enjoy without any problems my G31 4th Gen, I do dislike the rust which is building up on the magazine metal.
I would expect a little better material there so the magazine would not rust thought eventually!
Forgive me, but you're not using one of those absurdly strong solvents on this stuff, are you?
As was alluded to, are you carrying/storing these in a marine environment at all?
If "no" to any of the above, it would bug me too! I agree with Tony--send them back!