Quote History Quoted:More kidding than anything as I'd really take either option over a pointy stick.
If I have anything against sig, it's the sketchiness in which the US military has picked them as the top choice for everything lately.
.300 blackout I haven't personally found a use for it. I'm sure it has it's niche though.
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Yeah, I feel certain there's some backroom deal there we'll never, ever know the truth of.... to say nothing of the fact that Sig routinely beta-tests their gear on their retail-paying customers.... but on the other hand, IMHO, outside of the world of tweaked / custom 1911's, the Sig Sauer P-Series Legion SAO units are the toughest, most accurate, most reliable handguns I've ever owned. My MPX -K Copperhead is very obviously a professional-quality PCC with an active warfighter or another professional user as their intended market.
I have a very high-quality AR Pistol in .300blk which, despit lacking the Copperhead's bomb-proof feel and construction, I feel I can totally rely on. Furthermore, I feel like if, God forbid, I was ever in a situation where my life of the life of a loved one absolutely depended on my stopping a threat from another human being, if the .300blk round behaves the same way with humans at 5-150yds as it does with wild hogs... then there's no contest. AR .300blk all the way.
In fact I've always held that the endless comparisons of .300BLK against 5.56 Nato are far less practical than comparing the .300blk to 9mm and .45ACP. After all...
despite the proliferation of AR-based PCC's, to me, a PCC or "PDW" PCC is much more a sized-up pistol than it is a watered-down rifle. JUst my $0.02