Yes, the licensing costs and being acceoted as a perfect GM reproduction can add to the price. As a result the cheaper versions are often not quite as acccurate. Some are very good, others woeful. I remember 10+ years back paying about 70 dollars each for these, then used the wrong glue and ruined the lot. Bought 4 more, and ruined another one or two which also needed replacing. And this was only to add caps to my non factory mags! These days online shopping and payment methods offer more options.