}, Editor In Chief- TFB Actually by far the most work being done for 300 BLK is supersonic. For close range pig-hunting, it's a game changer. These advantages are powerful features of subsonic rounds and are made the most effective when applied with a suppressor device. Besides several Blackouts I shoot with short bbls and suppressed, I also have some 16" rifles. Bleed off/non restrictive, finger adjustable, battle proven, reliable. Kind of like haircuts: they can take it off but cant put it back. Discussion about rifles in 300 AAC BLACKOUT (7.62x35mm), hosted by the creator of the cartridge. SwedishMoose 3 mo. Most factory .300 Blackout subsonic loads are a little more powerful than a routine .45 ACP handgun loading, if were going on (the admittedly incomplete) calculated energy figures. If you've chosen 300BLK to help accomplish this goal, you're on the right track. If I couldn't do short with 300blk I would have zero interest in it. Suppressed 5.56 is around 135db. ODE2NzBiY2U5OTUxNjZhZTJhYmFkOTZlNzc1MDdhMDdmNmRiMTEzZDRmZWI0 Hopefully, this thread will have a few more good responses and I'll just post a link to this discussion whenever a new 300 owner decides to ruin their barrel. There is no noise from the action or any created via the ejection process as noticed in a semi automatic firearm. In keeping with this motif, an AR-15-style bolt carrier works best with subsonic. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! text-align: center; You are supposed to shoot super Sonic on the lower setting and use the higher one for shooting subsonic without a suppressor. Running subsonics out of a 16" gun and suppressed is almost hollywood quiet. The newer braces are less ugly & stupid than just a couple years ago. I built a specialty home-defense AR-15 for a recent book project, and that was my choice. I dont like that I need a tool and I hope someone makes one that is finger adjustable or at least adjusted by using a round. I have a 7.5 300 blk pistol with a weak spring & mil-spec buffer, completely closed adjustable gas block and it will only cycle 110gr V-Max rounds. A little edgy. color: #212529; Re: Why run subsonics without a suppressor. I have an SBR as well in 300BLK which is more fun but when traveling out of state it's easier to just take my 16". Home Ammunition Subsonic Success: Getting Good Function From a .300 Blackout. Please be respectful of others. Copyright 1996-2023 AR15.COM LLC. We stand behind all our products and were here to support you. MWZhMzE4M2MxNmUzYTg2YmQxN2ZjMWFjOWY0ZWFjYThkZTNjZjU0NzJiZGEy Use factory loads and factory brass for reloading. It is nice to hear other shooters . Unless your 300 is just going to be a range toy, the cost savings isnt worth the risk. 300 BLK has been considered a rather expensive round even before the logistical infrastructure was swamped and manufacturing capabilities were struck by limited staff and astronomical demand. Unless you have rare earth metals coming out consistently from at least one end of your body the average person might not be able to afford consistent training with subsonic 300 BLK to be proficient. So if youre set on trying out 300 Blackout yourself, complete a build with your own 80 percent lower receiver today with an easy to use universal In general, most people prefer a self-defense rifle bullet that expands rapidly and doesnt over-penetrate so that bullets wont travel through multiple walls or similar structures. margin-bottom: 10px; ZmFhY2U2NzcyNzJhN2Q2YzJkN2FhYWEwMzYwMDBjOTY0ZmFjMGE1NzMyNWIx On my build, I chose to accept the one-trick-pony approach. Even a thin-jacketed traditional match bullet wont expand at subsonic velocities, it may tumble, but may act more like an FMJ until it becomes unstable. Before i got a 6.8, a 16" .300 unsuppressed was my primary hunting rifle. I would like to start pig hunting with it. 's blog. 300 Blackout subsonic is one of the quietest rounds to suppress, particularly when fired through a closed breech firearm like a bolt action or single shot rifle. As everyone does know, it takes most of a year to get the ATF tax stamp approval for a suppressor, which means youre stuck with a pistol that you cant use, without damaging it, for a long time. Looks like it will be an SR7 with 90T when they hit the well stocked local Class 3 dealer! Range Report: How Good Is the Smith and Wesson M&P FPC 9mm Folding Carbine? You don't have an "issue" with your 300blk if it won't run subsonic ammo UNSUPPRESSED! Long grooves in its gilding metal jacket combine with the bullets flat profile and the patented Flex Tip insert within its hollowpoint cavity to help it expand reliably at low velocities. NetJnkie 6 yr. ago Oh duh. The last one is especially critical in the context of the 2021 market for firearms, accessories and ammunition. by LYNRDSKYNRD Fri May 27, 2011 8:43 am, Post When I first built a .300, I couldnt get it to run reliably with bolt-over base failures, double feeds, etc. It cured the problem with supersonics, so I quit while I was ahead and only shoot those. Because of the lower pressures at the muzzle, and the lack of a supersonic report, shooting "subs" is completely hearing safe and comfortable for the operator and those around them. I let my son shoot my 300BLK AR, subsonic unsuppressed, when I forgot to pack his .22 on one of our trips to the range. All Rights Reserved. Shooting quickly and quietly is not always as important as shooting flat with the appropriate ballistic energy to put down your target effectively. Ive written thousands of words about its evils and ways to lower it for other applications. border-color: #ffc107; Scan this QR code to download the app now. Does some damage with Barnes vor-tx bullets. The loudest factors from using suppressed subsonic ammunition comes from the sound of the bullet impact and the bolt carrier group cycling back and forth (when using AR platforms). by Tom12.7 Fri May 27, 2011 7:58 am, Post I dont know how many have fired a 5.56 AR-15 carbine inside a room, but its sensory overload. Just keep in mind, if you are wanting .308 performance.buy a .308. nope. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. NjZlZTcwZjdmYjA0OTI3OTM0OTcwZmVlOTk5ZjFhOGJhNDRiZTY0MDE4MWJh Save the heavier and stouter parts for supersonic. An M1A would be cool too have, but going custom on my first buy. Subsonic 300 Blackout holds more power than 919mm while retaining equal ratings of decibel while suppressed. This is about the only time intentionally ramping up gas port pressure is ever welcome on an AR-15! There is Barnes RRLP in 300 BLK, though it may end up as LE/Mil only. Theres not enough gas in subsonic, or theres too much gas in supersonic, for both to function through a system set up more ideally for one or the other. You are using an out of date browser. Subsonic .300 Blackout is plenty powerful, in my estimation, and with radically better shootability than a higher-pressure carbine loading. ATI Introduces the Omni Hybrid Maxx Rifle - The Shooter's Log, .300 AAC Blackout: Speak Softly and Carry a Big Stick - The Shooter's Log, Washington Takes Oppression of Gun Owners to New Lows, Finding a Firearm: My Wifes First Pistol, Throwback Thursday: 5 Long-Slide Pistols I Cant Live Without. I think carbine length systems and 16 barrels are part of the problem with .300 blk. Notify me of follow-up comments by email. If this is a primary concern and you think you'll be shooting at targets within 100 yards then subsonic rounds complimented with a suppressor device is worth exploring. -----BEGIN REPORT----- Essentially, all you'd need is an upper receiver with a 300 blackout barrel and you'd be good to go since the 300 blackout magazine is the exact same as normal STANAG/NATO magazines. Conversely an expanding supersonic bullet will create substantially more trauma than non-expanding supersonic bullets or expanding subsonic bullets. I load 110gr varmint tips at 2600fps and 125gr hornady sst's at 2400fps for hunting, and everything up to 240gr sierra's for plinking and/or subs. The .300 AAC blackout has the advantage of having a more effective shape for delivering energy, expanding, and tumbling through vital organs, but it's main advantage while subsonic is it's quiet report, and the ability to make multiple hits on target very rapidly. Having said that, that doesn't necessarily mean that a shooter can't enjoy the benefits of reduced muzzel signature just because they can't or won't own a supressor. Y2ZiMWUwMjljYjc2NjMyZDRjOTA0ZTkxMzk2MGEzMWVmMjFmYWVlOTdjZjFm Have you had success getting good function from a .300 Blackout? I have AR's in .22, 9mm, x39, .223, 6.5G and .308. I've thought about building a .300, but don't see the need.. Supersonic rounds are the standard rounds most shooters are familiar with as they are the more practical rounds for most applications compared to subsonic rounds. user-select: none; We posted another video from Class 3 Ordnance a little while ago where he shot a 7.5 Adams Arms Tactical Elite Upper with and without a silencer (find article HERE ). For precisely this reason, hunting with subsonic 300 blackout is generally not advised in most scenarios unless youre taking on wild pigs or smaller sized game within short distances. Supersonic ammunition will provide more range, energy delivered on target, and less drop or wind-drift at range. transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out; Only using unsuppressed 16" 300blk is hard to justify over other options. And a small percentage of you claimed that using a 300BLK AR15 in a life or death situation was nothing more than a mall ninjas wet dream. And, time is also ticking away with respect to the flaming consumption of the propellant. Hornady Subsonic Ammunition doesnt have the loud report of a supersonic round, and paired with a suppressor, its even quieter. If you do plan on shooting suppressed or aiming at targets within short distances then proceed with the 300 blackout platform. 300 Blackout Supersonic vs Subsonic - What is the difference? ZmUxYmM0MjAwZCIsInNpZ25hdHVyZSI6IjZiNGY3ZjE4ZWI4NWIwNmFlNTli Please keep it civil people. by Quiet Riot Mon Feb 06, 2012 8:13 pm, Post I have 2 16's, bolt and one AR. That said, the 30-30 has killed more white tail deer in North America than all other cartridges combined. That's why I have 3. I had been considering the .300 Blackout for a while too. Now, there are some very effective flash suppressors out there, but they dont take a bit off the noise. by JasonM Mon Feb 06, 2012 8:09 pm, Post Would have spent my money on a Garand or old levergun. Reason for that is because the 300 BLK uses almost all the same AR parts used for a rifle chambered in .223/5.56mm. A heavier grain, typically around 180-220 grains, introduces more weight to the projectile, preventing the bullet from exceeding speeds that would break the sound barrier like a supersonic round normally would. ZmU3NWNhNWM4YjFjYWNjMTMwNTE4MTRlZjNjNzhiNDE2MTgwMzE3NmFhZmUz I eventually got an m-16 bolt carrier and heavy buffer. These are not as common now as they once were, but an AR-15 carrier doesnt have as long of a full-profile section on its body as does the USGI-standard M16-format carrier (which is far and away the most common now). Understatement: .300 Blackout (aka AAC) is a popular cartridge among AR-15 fans. Some specialize in long range shooting and some are biased toward short range stuff. Additionally, the lighter recoil also allows users to make faster hits on target in succession. A friend of mine likes to hunt with a 16" 300 blk over his 6.8 when hunting everything from deer, hogs and coyotes. N2M2ZTg5ODdhMWQ0ZjA0YzY1Y2RkYzQ0OGUwNmRmZGYzODg5MWVjNzk1YjMx Even the small .22lr breaks the sound barrier, and gives a small sonic crack. I cut a couple even with my shorter gas system on the subsonic. I am planning a .300 BLK as soon as the XCR is available, and I am only interested in subsonic/suppressed. The speed of sound (in reference to how it travels through air, like a bullet) is approximately 1,100 feet-per-second (fps) at sea level. I agree, but not for some reasons commonly given. _hester_ 6 yr. ago Yeah, but have there been measurements taken without a suppressor? border: 1px solid transparent; Essentially, all you'd need is an upper receiver with a 300 blackout barrel and you'd be good to go since the 300 blackout magazine is the exact same as normal STANAG/NATO magazines. Sign up to receive new product announcements, special offers, and the annual product catalog. I also have not put many thousands of rounds through it and I havent checked it for wear. The truth is that supersonic .300 blackout is absolutely better than subsonic, in all areas but one. At 200 yards, the 60.5 inch bullet drop of a .45 round is similar to a .300 Blackout subsonic round. cursor: pointer; Run a pistol-length location gas port (four inches ahead of the chamber area) with a carbine-length (16-inch) barrel. Such is not the case. The XTP bullet in Subsonic Handgun has built a world-class reputation for accuracy and stopping power. If have two, 6.8s and you are thinking of a 300 blk.i say do it. I keep seeing guys new to the 300 BLK on other forums asking about how to open gas ports to reliably run subs without a suppressor and I just don't get it. Now I want a 16". From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Matter of fact of the 5 deer I took this past season, 1 was with a Ruger American Ranch Rifle in 300BLK, and 1 was with a 16" Daniel Defense 300BLK. It doesn't mean it isn't perfectly effective, just that you're not taking advantages of what makes it special. Suppressing a supersonic round does a great job of protecting your hearing, but you'll never get the Hollywood effect. The .300blk sub will likely be slightly louder than a 9mm sub, assuming similar barrel lengths. "People sleep peaceably in their beds at night only because. NTRjMTE3YWRjMTFiZjU2ZjY3NWM2NjIzMjMzOTIyNTU2MzcxODIzNjViMmQw There is no noise from the action or any created via the ejection process as noticed in a semi automatic firearm. And, yes, a supersonic blackout can have all the same extra-pressure-induced operation symptoms as a 5.56. This purpose excludes taking down big game effectively and ethically. I was waiting until after the SHOT SHOW before I bought a suppressor to see what new thing came out. ZDJlOTQ0YzNkMDAyZTc2YjY5MWFjY2Q4MzIxOGVlNTAzYTQ1ZWZlMmU0MTQ0 MDg4M2FmZmNlODRjODM3ZTQ1MzAzYTNhOGU3NWQ0YzVlOWM2NjcyZGQyMmEw 300BLK is the most versatile centerfire cartridge in existence and an excellent HD choice. That is what AAC designed the 300 blk to do and they know how to do it. The difference between subsonic rounds and supersonic rounds, as implied by their etymology, remain in their ability to break the sound barrier determined by how fast the projectile travels. line-height: 1.5; For ease of use, Id be better off building another just for using subsonic ammo.
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