( 3) Write a Review Ask a Question. ZmFhY2U2NzcyNzJhN2Q2YzJkN2FhYWEwMzYwMDBjOTY0ZmFjMGE1NzMyNWIx white-space: nowrap; While subsonic ammunition surely does have its benefits when it comes to covert operations, close range, and personal defense, this kind of bullet is not ideal for the big game hunter. I probably would since you've already got the 6.8 spc rifles. Whats more, subsonic ammo is a good deal lower pressure than supersonic ammo, which has a SAAMI max limit of 55,000 PSI (most is around 50-52,000); most subsonic loads are running 30-35,000. For the love of goodness gentleman, I wish I didnt have to make this post but Ive seen about 10 on this subject in the past week. The only reason I can think of is that your suppressor is not on, and you accidentally shoot subsonic at a bad guy, and your gun jams. In terms of ballistics and terminal performance, supersonic is where 300 BLK really shines, especially in SBRs, and especially compared to 5.56 for short to mid-range use. NetJnkie 6 yr. ago Oh duh. I am planning a .300 BLK as soon as the XCR is available, and I am only interested in subsonic/suppressed. There are some loads on the market that do expand at subsonic velocities, but in general they still wont expand as rapidly and violently as a supersonic load will so penetration may still be an issue. Kind of like haircuts: they can take it off but cant put it back. SwedishMoose 3 mo. I cut a couple even with my shorter gas system on the subsonic. Actually by far the most work being done for 300 BLK is supersonic. Anyway, read through the responses below and let us know your thoughts in the comments section. Fun as hell and easy to tote. *Must have a registered ARFCOM account to win. The only issues Ive had with my AAC barrel is THE with cut brass. Expanding subsonic bullets have almost twice the material to work with which allows them to expand much larger than lighter expanding supersonic bullets sometimes as much as three times original bullet diameter with machined solid copper. 300blk is still loud af even when subsonic. The only reason I did a BLk was an 8" barrel and suppressor. I have multiple 16 inch barrels in 300BLK and they work perfect. by offsidewing Mon Feb 06, 2012 10:34 pm, Post Sub Sonic Ammo out of an Unsuppressed 300 Blackout Young and Tactical 3.49K subscribers 213 25K views 3 years ago In this video Trent shoots his 300 blackout to see if it can run sub. 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. In a possible third part of the series, Im considering asking a few hunters and invasive species control experts (wild hog eradicators) for their opinion. I also do not like the lack of adjusting information. If I couldn't do short with 300blk I would have zero interest in it. Range Report: How Good Is the Smith and Wesson M&P FPC 9mm Folding Carbine? I reload all my stuff so factory ammo prices aren't a consideration for me. Versus 6.8, you're not gaining anything but diameter. Your discussions, feedback and comments are welcome here as long as they are relevant and insightful. If youve chosen 300BLK to help accomplish this goal, youre on the right track. Anything more and I get FTF,FTE. From heavy subsonic loads to supersonic rounds, both with and without the silencer attached; we experienced no malfunctions of any kind". If you are going to reload the 6.8 is a much better wildcat supersonic round for the AR. Not casting doubt on it's supersonic capabilities, but if I'm shooting a .308" diameter 16" supersonic, it'll be on a 7.62 NATO type carbine AR platform. MjI3YjA3MzA4NzgwNTg1ZWFhZDYzZDIwODBiN2U5YzkzNDkwN2NlYzVkNmRl You are using an out of date browser. If your reloading you shouldn't have to worry about what the manufactures are focusing on with the supersonic. But I think I would rather go with the .30 Remington AR cartridge instead now. As others have pointed out, if you're going to take the longer barrel and not suppress it (or shoot supers suppressed) then there are other calibers that work well in the AR15 platform and give better performance. So, if you think .45 ACP is a reliable choice for a defensive round, subsonic Blackout beats it. 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. It has a adjustable gas block with two settings, smaller opening and larger opening. Done like that, the relatively tiny amount of fast-burning propellant behind that honking .30-caliber bullet gets put to work effectively because the pressure at the gas port is higher. 2 were with 300BLK SBR's. 300BLK is great if and ONLY if you are a reloader. Notify me of follow-up comments by email. If someone wants to build up an upper that could run both super-and subsonic, theres going to be some parts mods involved before the cartridge switch. I had ran the scenario of a suppressed subsonic .300 blackout against a suppressed 45/45+P (still subsonic). Brad Criner, Senior Director Sig Sauer Ammunition. 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. by doubloon Fri May 27, 2011 9:49 am, Post Please be respectful of others. I like it especially in the shorter guns, and, around here at least, its looked on as an effective Whitetail cartridge choice. MWUwMTJhYWQ1MzViMzNjMzIzMTFmOTIxMWU0NjA0Nzg5ZTIyMTgwNDUwMjg4 Go 300blk pistol. padding: .375rem .75rem; On a different day, I traveled to a suppressor-friendly state and met up with . Subsonic 300 Blackout has some of the best terminal ballistics of any subsonic round. by bluebird Fri May 27, 2011 1:43 am, Post Some specialize in long range shooting and some are biased toward short range stuff. I'd recommend holding onto the subsonic .300blk ammo until you get an approved tax stamp for a suppressor. The information provided here does not represent the views of Cheaper Than Dirt! 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). Given your situation, a "pistol" setup may be in order. Suppressing a supersonic round does a great job of protecting your hearing, but you'll never get the Hollywood effect. 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. Does some damage with Barnes vor-tx bullets. There's no purpose in running subs uncanned. 300 BLK is known for subsonic performance but one cannot discount the great performance of supersonic offerings as well. Due to NFA laws in my home state, two different guns were used for this test. To make the latter work, the . Fixed gas block and std buffer spring. Due to the higher velocity, you will encounter much louder report regardless of a suppressor, due to the supersonic crack of the bullet. 's blog. An argument for another day. .tfb-affiliate-link{ Optimal performance is guaranteed if you run the barrel unsuppressed with supersonic ammo or suppressed with subsonics. Other than to check performance on a chrony or to look for keyholing? Hornady Subsonic Ammunition designed for accuracy and performance below the speed of sound now comes in both rifle and handgun loads. If you believe Wordfence should be allowing you access to this site, please let them know using the steps below so they can investigate why this is happening. Interested in picking up your own suppressor device? [ARCHIVED THREAD] - 300 Blackout, is it worth it if you can not go short or suppressed? Looks like it will be an SR7 with 90T when they hit the well stocked local Class 3 dealer! I dont know how many have fired a 5.56 AR-15 carbine inside a room, but its sensory overload. ZWQ5ZjU3NDlhM2VmNTg2NmYzZmJkOGM2YjFlNzU5MzQ2YTljNzhmNDBhYjc4 The preceding is a specially-adapted excerpt from Glens newest book, Americas Gun: The Practical AR15. For those with a suppressor, the American Eagle 220g will provide a heavy projectile that when suppressed, is easy on the ears, which is important for close quarters that one may encounter in a home defense situation. Subsonic 300 Blackout holds more power than 919mm while retaining equal ratings of decibel while suppressed. Nzk5NTZjMWJjMmY4OTNkODk0YTM1MGMxZjZiM2FiYTdiNTIxZjM4MmI0ODhi Theres much said, unsubstantiated, about over-penetration of higher-velocity bullets. 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. Subsonic 300 Blackout ammo is effective for the former two characteristics but falls short in almost every other category: effective range, terminal ballistics, bullet trajectory and cost efficiency. I think carbine length systems and 16 barrels are part of the problem with .300 blk. If you want to be ninja quiet, then shoot subsonics. Supersonic ammunition will provide more range, energy delivered on target, and less drop or wind-drift at range. Factory ammo is unreasonable high, but reloads can be as cheap as 223. ODE2NzBiY2U5OTUxNjZhZTJhYmFkOTZlNzc1MDdhMDdmNmRiMTEzZDRmZWI0 I like the x39 because I can blast cheap steel cased ammo and not have to scrounge for brass. There are a couple other AR conversions that work better at being supersonic only. If have two, 6.8s and you are thinking of a 300 blk.i say do it. -webkit-user-select: none; It all depends on what you want to do.Tons of 556 brass to roll your ownI like the 300 blackout in the carbine role..16 inch with supersonicsgreat venison and critter getter.I have no desire to spend the cash.and buy the stamp and the can Yeah the whole reason to get a 300BLK is for subsonic rounds to be hearing safe quiet with a suppressor. NDNkYTI4NTI2ODg2OGViYTk3ZjNlZTZlOGRjMzQ0NjdiN2E1Mzg1YzlkZjUx First, supersonic ammunition was tested unsuppressed through a custom AR-15 pistol with a Brownells 10.5-inch .300 Blackout barrel with a 1-in-8-inch twist rate. 300BLK is the most versatile centerfire cartridge in existence and an excellent HD choice. However, they let me use my SDN6 that's collecting dust in their safe while waiting for my Form 4 to be approved. I also have not put many thousands of rounds through it and I havent checked it for wear. You seem to have found a sweet setup in this article that does not have any feed issues. Access features of the Reloading Handbook on your mobile device with the Reloading App. I happen to be one of those people. .300 Blackout subsonic is not ideal for medium to long range hunting, as the velocity and kinesthetic shock is greatly lowered from the supersonic. I had been considering the .300 Blackout for a while too. Almost forgot about ammo. For ease of use, Id be better off building another just for using subsonic ammo. This purpose excludes taking down big game effectively and ethically. Subsonics are expensive and their performance is marginal compared to supers. I enjoy them just as much as the short ones. 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. Reloading lets you use most all of the bullet types from 110 grains to 175 grains or so. NjI2MDFhZjNkMzY1NTA2MTQxNDNlYjJmMDNhNTQwOWM1ODc5MGRhZWY4Njlk In short a good expanding supersonic 300BLK is always ballistically superior to a good expanding subsonic 300BLK. I dont think thats really a factor. 300blk subs are POINTLESS to run without a can, they're still loud, less effective and unreliable, with a can yes they are super quiet and badass. A can on the end of your rifle is going to cut down significantly on the overpressure at the shooters ear, and can bring the muzzle blast down to more manageable levels. For a better experience, please enable JavaScript in your browser before proceeding. Now I want a 16". If you don't have that roll to fill, you don't need it. by hugegator Mon Feb 06, 2012 7:53 pm, Post The 110gr Barnes TAC TX are great hunting bullets, and while we could argue all day about ballistics, you can't argue that the 300BLK is the simplest conversion and its effective. A suppressed supersonic load will have a lot more gas coming back into the action compared to an unsuppressed subsonic load (these two examples are the extremes). Generated by Wordfence at Mon, 1 May 2023 8:13:48 GMT.Your computer's time: document.write(new Date().toUTCString());. I hope this was helpful, cheers. by este Mon Feb 06, 2012 10:16 pm, Post I agree, but not for some reasons commonly given. Full Feature: Anderson Manufacturing Kiger 9C Pro 9mm, Throwback Thursday: 5 Long-Slide Pistols I Can't Live Without, The History Fixed and Adjustable Iron Sights, Rifle Hack: Sighting for 100 Yards at a Distance of 25 Yards, Throwback Thursday: All About Bullet Grain. Products manufactured by 80% Arms carry a lifetime warranty against manufacturing defects. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. 2023 Modulus Arms | 80% Lower Receivers and 80 Lower Jigs. Get an AAC barrel (pistol gas) and run M4 style BCG, buffer and spring and you are GTG with super or subs. N2M2ZTg5ODdhMWQ0ZjA0YzY1Y2RkYzQ0OGUwNmRmZGYzODg5MWVjNzk1YjMx Thoughts or ideas? Subsonic 300 Blackout rounds perform extremely well for their intended purpose. It is still fun to shoot, even though i now have an 8.5" sbr suppresssed. I think that's what OP is after. MGQ3NDgzZjU3MzUxOGM3ZmI4ZGY1NWNkMjkwNDhjZTZkZTU2YjI4MDk3YjU3 SILENCER SATURDAY #37: Subsonic 300BLK Shootout. 300 blk shines brightest when its suppressed right? Yes it does shine suppressed. Product #: 417076. But that's exactly what it was designed for. A heavier buffer and spring, or an adjustable gas block, can provide the cushion the supersonic needs to avoid over-function.. I like 6.5G and 6.8 alot as well, but the mags and bolts are annoying and more cost. Running subsonics out of a 16" gun and suppressed is almost hollywood quiet. }, Editor In Chief- TFB The setup was equipped with a Trijicon AccuPoint 5-20X50 scope, dialed to 20X. I owned a SA 300BO Pistol and I wont say your wasting your time but I sold mine for that and other reasons. FNG / New Forum Member today, registering just after my first range session with my new SA SAINT .300 Blackout pistol. You dont have an issue with your 300blk if it wont run subsonic ammo UNSUPPRESSED! This list is our best 300 Blackout Subsonic ammo, you can check out all subsonic 300 Blackout ammo here. If you have any interest in shooting quiet be it with a suppressor or not (subsonic 220gr is a little louder than a .22 unsuppressed) the 300blk is THE BEST subsonic/supersonic rifle available. Shopping with us is absolutely safe - you never have to worry about credit card safety when shopping here Share your latest AR build or photos from the range with #RangeDayFriday for a chance to win a new firearm! Now I understand better, what Ill need to do if I want to run subsonic (the upper kit I purchased is set up for supersonic). Supersonic .300 Blackout ammunition replicates the ballistics of 7.62x39mm, used by classic AK pattern rifles, but with cartridge dimensions designed with the AR-15 magazine in mind Probably the most prolific in recent years is the .300 blackout, designed specifically to accommodate both subsonic and supersonic loads in the same rifle with minimal adjustments. I don't think the 300blk is the best supersonic only round. First, Im always willing to risk boring knowledgeable readers with really basic information because its important to start at the start. With high-quality cartridge cases and primers, Subsonic Ammunition offers the performance and accuracy shooters have come to expect from Hornady. Shooting quickly and quietly is not always as important as shooting flat with the appropriate ballistic energy to put down your target effectively. 300 Blackout offers a range of performance, in both supersonic and subsonic loadings. Whatever you shoot at will be able to know theyre being shot at immediately and they'll react appropriately. The supersonic and subsonic bullets draw their names from how they each respectively relate to the sound barrier. This was never listed in their product description, manuals, or even in their FAQs. Such is not the case. Thats another debate for others to work through in other articles, but its my story and Im sticking to it. If you do plan on shooting suppressed or aiming at targets within short distances then proceed with the 300 blackout platform. The XTP bullet in Subsonic Handgun has built a world-class reputation for accuracy and stopping power. 300 Blackout 9" Noveske Barrel (pistol length gas system) STAG Upper and STAG Lower ? America's Ultimate Shooting Sports Discounter, Subsonic Success: Getting Good Function From a .300 Blackout, The preceding is a specially-adapted excerpt from, Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window). document.write(new Date().getFullYear()) Copyright Hornady, Privacy Policy | CCPA Request | Accessibility Policy | Terms of Use, Designed and developed by IdeaBank Marketing. 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. MmI2MDAzY2VkZmQ4MzZiZmU1OWQzZjU2ZDIxMmM4OTBjMGM2NDQ3YWEzNTUz That really all has to do with bullet design/bullet engineering. 300 was designed to fill the short and quiet roll. cursor: pointer; 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. Manufacturer #: SUP300BLK (20) UPC #: 020892224483. OTMwY2EwMDRiYzUzMDJlY2FlMjFiNGQ5MDY0ZmI0MzdiNWQ2Y2JmYTkzOWFh It gives one performance close to that of a .308 Win in a more short action such as the AR's have. Only using unsuppressed 16" 300blk is hard to justify over other options. -moz-user-select: none; 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. Subsonics cycle with a suppressor almost universally with all barrel makes. vertical-align: middle; YzhlYzAxNTM3YjA3NjI5MDM0NTA1YzlmOGIyMjE1NzhmYzcyMDYzZGYwZGNm This can actually vary a fair bit depending on altitude, temperature, and humidity, but in general, 1100fps is the determining number used in the firearms industry to differentiatethe two. ODdjMzY2OGY3ZTFlNmE1NzZmODA4NTY2MjM5YzAwNTRjMTc1MTdiZTkzZjE0 _hester_ 6 yr. ago Yeah, but have there been measurements taken without a suppressor?