Let's see, here.
You have a decent rifle, with an investment of .....what? Perhaps $600 to $900 ?
It's a rifle of a type which could conceivably be VERY IMPORTANT at a crucial time in your life...hopefully not, but we never know, do we?
WHY would anyone want to diminish the likelihood that the rifle will actually FUNCTION when urgently needed, just to save a lousy ten bucks or so?
Magazines are NOT ACCESSORIES! They are an integral, vital working part of the rifle, and also the easiest working part to damage or otherwise compromise in function.
WHY START WITH SOMETHING THAT'S ALREADY LESS THAN THE BEST? I've seen Ruger-made magazines at gun shows for under $20 for the 20-round capacity, and less than $30 for the 30-round magazine. I'd rather have ONE reliable Ruger-built mag , instead of three el-cheapos for the same amount of money.
Maybe your rifle is only a toy (right now)...but the unknown can occur at any time. Additional good mags can be obtained as time goes on and money becomes available....but that ONE magazine in the rifle should be the very best we can find.
Murphy's Law says that, if we have a variety of possibilities, the WORST possibility is the one most-likely to occur...meaning that (with my luck) I'd have a Tapco or USA Mag or similar junk in the rifle when I really need it to work. This is why no such cut-rate magazines inhabit my gun-room.