Sig MPX in 300 BLK -- is this the PDW that we have been seeking?
#19
Klem Wrote:I'm thinking a 110gn TAC-X would be doing about 1200fps by the time it gets to 200M (MV = 1,700fps from a 5.5" barrel), and a 24" drop from a 50M zero. Pistol type performance requiring some skill to cope with the rainbow trajectory. 200M is a big ask for such a short barrel.

Just a question, but why not a 100 yard zero? Aren't you still in 10" vitals PBR measurements out to 150ish at that point? Then, a simple 5 inch hold at 200? I'm no operator, but I think I could make that work. Of course I haven't done any math, just visualizing the practice in my head.

Edit: I was closer than I thought I would be...

http://www.65grendel.com/forum/asset.php...1504195660


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Sig MPX in 300 BLK -- is this the PDW that we have been seeking? - by Kswhitetails - 08-31-2017, 04:03 PM

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