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For HD, cqb, even truck gun or urban rifle I can't really think of anything better than the sig mpx 300BLK. And it costs the same as the AUG. Only downside I can think of is more gas in your face when firing suppressed compared to some other options. Ar pistol with law folding adapter or similar would do the same thing though at much lower cost fwiw.
Wonder if there is actually any benefit to running .300 BO subsonics suppressed out of a 16" - as in that AUG?
Good question. I have always considered 300BO to have a rainbow trajectory at any kind of long range. I remember comparing the long range charts on https://shooterscalculator.com/ballistic-trajectory-chart.php
Oh heck yea for that money it would be really fun. If one wanted to be ultra inexpensive could get psa complete lower ($169 on sale with brace) + bear creek arsenal 8.5" or 10.5" 300BLK compete upper ($169-$189 on sale) + sylvan arms folding adapter ($120 on sale). That woudl give you a tiny package for about $500. But it wouldn't fire with brace folded for what that's worth (primarily truck gun/vehicle application I would think for that need to fire when folded).
Wouldn't fire with brace folded... unless...
Yea I hear you on doubling the price. If that much I woudl tend to go with brn-180 300BO complete upper or maybe psa jakl if they make them in 300BO now. Or maybe a foxtrot mikes bufferless complete upper if it's in 300 BO now. All have no buffer.Wouldn't fire with brace folded... unless...
Law Tactical ARIC
Fire folded repeatedly with the Law Tactical ARIC (AR Internal Carrier) The ARIC replaces the Complete Bolt Carrier Group and Recoil System of standard AR15 style firearms. ARIC (AR Internal Carrier) is designed to drop into your host firearm with the LAW Tactical Folder Stock Adapter (FSA).www.lawtactical.com
This would effectively double the cost of your above list, so ultra compact would need to be a priority.
Absolutely. Not sure either the jakl or foxtrot is available in 300 yet.
Not really, I guess the little bit extra velocity but I would imagine that also works to the detriment of the idea of the subsonic load.
You can still be subsonic with some loads with a 16" barrel, I do this pretty regularly in my 300blk MDRX. Sigs 220g ammo is also tested for 16" barrels.
That's awesome info thx!
I think people are generally just regurgitating what AAC (or more specifically Kevin Brittingham) originally said when he developed the 300blk. In listening to him talk about it, he generally says 9" is the sweetspot. However, that was as it related to available loads from when it was released around 2010-ish and assuming it being run suppressed.
Agree 8.6 BLK is a really interesting round. Crazy fast twist rate causes crazy things in gel with subsonics. With certain bullets at supersonic the 1:3 twist rate causes it to scream right through 3 16" gel blocks without even noticing. I have a feeling that some really high twist rate armor piercing rounds will come out for the military within 10 years.
Yep, the 1:3 twist is really what first got my attention. Turns out they actually tried a 1:1 during initial development... now that's wild.
People will take things out of context too. They hear complete burn around x inches and think it gains nothing after that. While after a certain point it'd start to lose energy, its certainly not at 16".
