Sig MPX in 300 BLK -- is this the PDW that we have been seeking?

[n9nwo]

What is the opinion of the Sig MPX Rattler in 300 BLK? The caliber does like shorter barrels and can reach out to at least 200m.

Is this the combination that the military has sought for the PDW?

http://taskandpurpose.com/sig-sauer-mcx-rattler/

https://www.sigsauer.com/store/sig-mcx-r...psb-1.html

https://www.sigsauer.com/store/sig-mcx-rattler-psb.html