Hmmm... Not so sure about that mate.
What velocity can you achieve out of the 12.5" Grendel barrel? Not a ragged edge figure, a kind to brass no pressure kind of figure.
Haven't got the figures in front of me, but IIRC the Quickload models were very anemic. Like 2100-2200 ft/sec MV.
Whilst I get the weight / portability bonus, a 20" 6mm barrel in 6mm XC / Creedmoor etc is going to be carry way more energy downrange with the 108gr ELD-M for example.
My 22" 6mm has almost double the energy of a 12.5" Grendel assuming a 2,300 ft/sec MV for the Grendel, which is probably generous. And the Grendel performs considerably worse in windage as well. If I were to shorten my 6mm barrel to 16" I'm pretty confident I'd be seeing an MV around 2,700 ft/sec, which still significantly outperforms the Grendel down-range.
So unless I'm missing something here, there's pretty major trade-off in killing power going for the mini-action / short barrel package.
Would be good to hear your views on that.
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