They should come after, since they're higher level, more expensive, and more powerful (though you wouldn't know from the in-game display that they do the same blast damage as Longbows in addition to the kinetic).
nms 9 Aug 2015:
I misunderstood how fragmenting weapons work. They generally don't do the blast damage. They are still higher level though.
nms 18 Sep 2017:
I fixed the order in 1.8A3.
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