Going to have to agree as well, the JAE was way ahead of it's time.
Case in point: Been trying to get a 224 Valkyrie to feed reliably out of a MDT 6BR mag. I kept having the third round, tip the fourth round forward, buggering up the mag. It was so common I had about given up ever using it in a local Tact LR match. Yesterday I was sitting in my office, looking at the rifle hanging on the wall and realized (duh), the JAE chassis it sat in had an adjustable mag well. And since I had noticed a lot of up and down slop in the mag, pulled it down, and tightened up the magazine fit (up/down) to the action. Grabbed a handfull (10 or so) of rounds, loaded the mag, and cycled the action. Boom. Fed like shit through a goose. Grabbed the other 6BR mag (both had the feed lips mod'ed to the Valkyrie dimensions), and boom, it fed like nobody's business as well. All from adjusting the presentation of the magazine to the action. Can't do that with other chassis, even today. It's also (IIRC) why the JAE can run AW or AICS mags; you just tweak the mag latch up or down. If all the other chassis had this functionality, then
@padom wouldn't be having to deal with all the folks asking questions about feeding the .224 V or Thunderbird from an AICS patterned mag.
I often wonder, since now that MDT owns the rights, if they will expand the mag collet/mag latch adjustability function to all of their chassis.
@MDT_Josh , another thought perhaps to consider(?)...it'd certainly be a discriminator for MDT's products. (Sorry, thinking like this, is my day job too.)