Is there a bigger meme in the ammo world?
>>651243357.92×33mm BTFOs it
>>65124335>bigger meme.338 anything
>>65124335.30SC.357Sig.50AE
5.7 velo-dog.440 Cor-Bon.224 Valkyrie7.21mm Lazzeroni Firehawk
>>651243356.8 sig
>>65124335.357 sig.277 sig fury5.56mm with anything less than a 20in barrelAt this point, 9mm
>>65124335Subsonic performance in an AR15 action. That's all it is. And it does it just fine.
>>65124341I killed a man with .338 lapua from 2.4km in Afghanistan
>>65124335.22LR for one
>>65124532This. It's honestly pretty damn far from a meme. I would not be surprised at all if this round's existence drives 50% of all suppressor sales. Performance is subpar to 9x39 and .338 whisper and other shit but if you get off of the spec sheet and into the real world it works well and is a fantastic intro to subsonics.
The whole point of 5.56 is it's everywhere, it's pretty cheap all things considered, and it's "good enough"The entire point of 300 blacked is that it's "enough optimized given that we have all these AR parts lying around"Except that it's more expensive and has a lot of drawbacks so the merits of trying to "good enough" while also minmaxing are in direct conflict with one another
>>65124335>bigger meme8.6 BLK.
>>65124555Your trips makes me inclined to believe you anon.Whats your favorite pistol?What would be a considered a hot load for a 300 black out? Like what kinda bullet weight/speed are we talking?Kinda want a mini 14 in 300 some day
>>65124335The only people who call it a meme are poor, it does exactly what it needs to do, whisper quiet action in close to moderately close distances with a projectile that can make it through brush better than 45, plus it is very effective at moderate distances when supersonic. There simply isn't a better "jack of all trades" round that can also be subsonic.
>>65124335.45 GAP
>>65125759I was lying. What I won't lie about is being able to tolerate 338 lapua slander.
.50 Beowulf.
>>65125835more like .45 AGP
>>65124335>.300BLK is a meme!Asshurt 7.62x39mmfaggot.>Is there a bigger meme in the ammo world?.30 Super Carry>>65124338.300BLK is comprehensively superior to 7.92x33mm, same power but with better effective range and smaller magazines.
>>65126018>muh blkgottem
>>65124335Yeah, 6.8 SPC. At least 300 Memeout is in regular use by Special Forces all over NATO, specially in the US.
>>65125893Automatic Glonk Peestol
>>65124335>works in ar-15 action>roughly equivalent to 7.62x29 super>works well suppressed with proper barrel and gassing>uses .308 bullets>brass can be made from 5.56mm brass>feeds properly from standard ar magsYes. This is a meme, and you are a tourist.
What about the possibility of accidentally loading a .300BLK in a 5.56 chamber? IIRC, this is possible depending on bullet shape and cartridge OAL.
>.300 blackedout
>>65126122Just don't put it there?
>>65124335.458 SOCOM
>>651243356.5 sneed
Why is 300 blackout a meme? Are you guys being edgelords? It’s proved useful and desireable enough (provided the gunbuying public is not retarded) that it was the first cartridge to become an alternate default chambering for 5.56 guns. Everyone loves SBRs and it’s an excellent SBR cartridge that doesn’t give up too much for short-barrel efficiency. The 110s go like 2200-2300fps and the subs smog any pistol caliber.
>>65125791What was wrong with 7.62x39 other than "it doesn't fit in our magazines"?300 blackout is literally the definition of poor since it only exists to let people re-use their dumpster dive gear
>>65124505>.277 sig furygayest name ive ever heard
>>65124505>the default pistol chambering of the last 100+ years is actually a meme>the default assault rifle chambering of the last 60 years is a meme>the army’s new cartridge is a meme(357 sig actually is a meme, well done, 1/4)6.8 is a meme only in its size. it needs to be scaled down ~2x to the same volume as a 5.56, then it becomes a comprehensive improvement over it.
>>65126335Came here to say this
>>65126859Projectile selection in .311/.312 is a lot worse than in .308, mostly Case taper is also kind of annoying for magazines
>>65126859>300 blackout is literally the definition of poor since it only exists to let people re-use their dumpster dive gearIf by 300 black you actually mean 350 legend, then yes. The latter only exists so poors can buy a barrel and have a durr hunting upper/rifle for any AR lower instead of needing to buy a hunting rifle.300 blackout was intended from the start to be a modern replacement for MP5s in close quarters, that would offer performance out to 200m similarly to x39 with just a mag change.It actually does that.
>>65125759>>What would be a considered a hot load for a 300 black out? Like what kinda bullet weight/speed are we talking?110gr, around 2400 fps
>>65127030There is nothing "from the start" about 300 blk though? "From the start" would describe like a 5.7x28mm that was ACTUALLY designed to a spec rather than adapted, if it was designed from the start it wouldn't completely revolve around the AR platform, we'd see native built subguns chambered in 300 blk first, and then adaptations later
>>65127171No, "from the start" is actually accurate for 300 blackout.It's basically a modification of 300 whisper, a wildcat 221/30 cartridge developed in the early 90's.AAC lengthened the throat of whisper slightly to allow better performance with 220 sierra match kings in 2009, specifically due to a military request for development of the cartridge, and created 300 blackout.Backstory: At the time we were knee-deep in war on terror.We had teams doorkicking literally every day, and when you're in tight quarters, even an m4 is problematic, especially if you have a suppressor on the end - which is where 10.3 MK18 comes into play, follow? You chop the barrel and suppress, it's significantly better for tight spots.The problem is, when you chop an AR that short, your ballistics are shit, and you've got a fucking lot (read- way too much to be exposed to it every day) of muzzle blast if you're not running the suppressor (and honestly even if you are running one it still sucks), so much so that it might be more reasonable to just run a 9mm mp5.The problem there is it's a 50 year old SMG.They're great, but you've got no BHO, and limited accessory options without mods (ever wonder why KAC even made rails and optics claws for them in the first place?).Also, the second you're outdoors, you're stuck with no way to realistically engage anyone at ~200m.But...what if you could use your existing AR, with all it's modern features, with all the shit bolted on, have it be as quiet as an MP5, and still be able to reasonably engage opponents at a realistic range in urban environments, matching THEIR weapons' ballistics, with just a mag change? That's exactly why 300 blackout was requested, but it's development and proliferation came a little too late for significant field use AFAIK.From what I've heard there was some field usage with it though, I've even got a contract overrun 10" FN CL CHF barrel.It's designed to be constantly suppressed, has a .064" gas port diameter.
>>65127030They made the round and then said what it would do, they didn't try to be at the level of 7.62x39, they would have loved 5.56 ballistics
>>65125759>what’s a hot load for 300 blackout?You have to specify barrel length. Check out Picrel. >>65127107Out of a <10” barrel, that’s hot. Out of a 16” barrel, it’s normal (~1400ft*lbs)
Make sure to mark your mags!>https://www.nrablog.com/articles/2016/9/avoiding-the-300blk-ar15-kaboom
>>65127413How does it compare to 7.62x39?
>>65127456They are identical. IIRC the energy difference from a 16” barrel is around 3 ft*lbsAnd 300 blackout permits the use of finer bullets.
>>65127413he didn't ask if 300 blk was hot compared to 556 in the same barrel length, he asked what is hot for 300 blkand he mentioned a mini14 so i assume he'd be interested in 16" numbers
>>65127477Well there it is. He can use the chart to determine what’s hot for 110gr. It’s Anything not trivially greater than the numbers listed in that chart.
>>65127400>from the start is accurate tho>see back in the day (blah blah blah problems), but they didn't want to throw out all their old stuff, so they made a cope round so they wouldn't spend too much money replacing all the old stuff they already hadIn other words what I said here >>65126859
>>65124335>Is there a bigger meme in the ammo world?Yes, the meme that "300bo is a meme" lol. You are literally a neofudd anon, with zoomielore replacing fuddlore. Used to be sorta silly now it's outright wild to see the cycle repeat with a new generation stuck spewing stuff a decade-plus out of date. 300bo is literally cheaper and more widely available then 7.62x39. Like, go over to ammoseek right now>300bo: 147gr FMJ free shipping: 49cpr, 50cpr, wolf is 55cpr>x39: 123gr FMJ 57cpr, corrosive for 59cpr, wolf is 65cprApparently things changing just break some people's minds regardless of generation, it was never a boomer issue at all.
>>65127611Mags aside running x39 in an AR is a shit idea if you're looking for reliability and longevity, because when you open up the bolt face to fit, you substantially weaken the area supporting the bolt locking lugs.I am aware there are dozens of chamberings for the AR that have larger bolt faces, don't @ me with that shit - they all have bolt breakage problems periodically, and it's a tossup whether or not it's going to fail at 1k rounds or 20k.If they could have done it reliably, they would have just chambered an AR in x39 instead for the same effect.KAC tried it for SOCOM (pic related) and it wasn't adopted in quantity.
I don't own anything in .300, but what's so wrong with it? It fills a certain niche audience, which seems to be enough of an audience to make producing a lot of guns and ammo in .300 worthwhile
>>65127444Why does the AR allow itself to fire on an unlocked bolt?
>>65128428My understanding is that the bolt does lock, its just that when you pull the trigger you're attempting to squeeze a 30 cal projo down a 22 cal tube.
>>65124335any round with a name that ends with PRC
>>65128428it's locked alright, which is the core of the issue - .300 blackout with a 100gr bullet neatly fits into a 5.56 chamber
How many guys who own a .300BO sneaking around in urban environments, silently taking out guys and successfully egressing the area and avoiding legal consequences? If that's what you are doing with your .300BO, then hurray for you.. You're actually using it for what it does pretty well. All you guys hot loading it and running it with supersonic ammo.. You lost the script. Look, it all answers to physics. You wanna be super sneaky quiet? Well, that starts with a speed limit of about 1125 fps. Ambient temp will move that up or down a tiny bit. So you have only one other thing to mess with to get performance in terminal ballistics: Weight of the bullet. .300BO dicks around with bullet aerodynamics in bullet coefficient to try and reach a bit further while holding onto some terminal ballistics performance. Ok, reasonable enough idea. But the bottom line is you're about at the same lethality with a .300BO as you are a suppressed .45ACP.. You can reach out effectively a few more meters. But hey, in certain common sneaky murder operations, those meters can seriously count. So why not stick with the long proven .458 SOCOM? Just to get more mag capacity in standard mags? While having an ammo rattling around that can chamber and fuck your life into a .556? Just seems to me the .300BO is a nerdy attempt to try and get a niche effectiveness while keeping mag capacity with just off the shelf stuff. Whatevs. I run .338 federal with 225 grain Lapua projectiles suppressed. They're flying at 1115 fps. Just for shits and giggles.
