Last edited: May 1, 2016 So whether you're hunting hogs, punching holes in targets, or just playing pretend in your basement, we aren't here to judge. 300 Blackout, 300 Blackout, 300 Blackout, Gorilla DEFENSE, Gorilla TARGET, View Ammo By Caliber. Do subsonic 308 bullets expand better than 300 blackout options for any reason? Supersonic 300 Blackout bullets weigh 110 grains, or twice as much as standard 5.56 bullets. In about two weeks you should be able to find 125 grain Premiere Match 300 AAC BLACKOUT ammo for sale. However, suppressors can't get rid of the sonic boom left in a supersonic bullets wake. My choice falls somewhere in between: the beauty of blackout is that allows the user to switch between ammunition that is built for different jobs. Hornady 110-grain V-Max. However, they were labeled "supersonic". But the discussion centered on whether or not the best Subsonic 300BLK rounds are appropriate for defense orr if a supersonic round is required. 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. The supersonic SBR Elite Copper Duty ammunition features an all-copper bullet and black oxide shell case to visually denote SBR capability. Supersonic Vs. Subsonic. As much as I love the quiet bliss of subsonic 300 Blackout in a suppressed carbine, given the choice, I’d still pick a supersonic round for a defensive situation. 3. 220gr .300 Blackout is extremely quiet, and competes with the famous MP5-SD in terms of stealthiness. Why Should You Use a Free Float Handguard? At the ear, shooting suppressed supersonic 300 blackout is nearly the same as 5.56mm. Subsonic .300 Blackout rounds are a bit of an outlier in the world of rifle ammunition. Subsonic 300 Blackout bullets weigh 220 grains, or three times as much as subsonic 5.56 bullets. Suppressing a supersonic round does a great job of protecting your hearing, but you'll never get the Hollywood effect. While there are a few calibers that have been designed specifically to accommodate both subsonic and supersonic loads in the same rifle, with minimal adjustments (such as the .22LR and .300 Blackout), the statement below applies to the majority of rifle cartridges. The parent case of this cartridge is the .221 Remington Fireball necked up to take a .30 caliber bullet. Posted March 25, 2019 in Ammunition, Daily News by Pete with No CommentsTags: 300blk, Ammunition, defensive ammo, Sig Sauer, Subsonic Ammo. We stand behind all our products and we’re here to support you. This is the ammunition you want to train with, hunt with, and be the most familiar with. The majority of the noise being down range from the supersonic crack. Aero Precision AR15 Carbine Buffer Kit ... Fiocchi’s Versatile .300 Blackout Ammunition. The truth is that supersonic .300 blackout is absolutely better than subsonic, in all areas but one. The primary advantages of the .300 BLK are that it generally delivers deeper penetration and more muzzle energy than the 5.56mm. I can’t remember where I stumbled across the debate: it was either in the comments section of our Facebook or Instagram pages or over on AR15.com. If you want a combat rifle with a hard-hitting round, .300blk has you covered.... Supersonic is your traditional rifle round. But the question gets more difficult as barrel lengths decrease. By Martin Topper. It's that quiet. The speed of sound is a variable thing that is affected by temperature, humidity, and barometric pressure. Rated 5.00 out of 5 $ 279.00 Add to cart. The .300blk round has skyrocketed in popularity the past decade. The answer, of course, is dependent on multiple variables – distance to targets, clothing/body armor, etc all come in to play. The additional bullet weight keeps the rounds from breaking the sound barrier, and gives them as much energy as possible. 22LR subsonic is the quietest. ​Everything You Need to Know About 80 Percent Rifle Laws. Subsonic vs Supersonic Ammo Along with the sound of the action, there is an additional insuppressible noise that comes into play, but it has to do with the actual projectile itself. As they don’t break the sound barrier when fired, they are quieter to shoot than supersonic ammunition. I am attempting to work up loads using 150gr. It was designed to be used in AR-pattern rifles with only a barrel change to convert a traditional AR-15 rifle from 5.56 NATO. By far the most aesthetically-pleasing ammo on this list, Noveske has … For close range pig-hunting, it's a game changer. I am currently working on a subsonic load for a 300 blackout. It was a box of .300 AAC Blackout. For short barrels running supersonic loads, rather than igniting unburnt powder in your silencer, or worse yet, through your muzzle brake, Sig has a tailor made 300BLK SBR round for you. Suppressors reduce the sound of shot by an average of about 30 dB(decibels), but they do nothing to reduce the sonic boom that a bullet makes as it flies through the air. Both calibers fire a 200 grain slug at roundabout 1,000 feet per second. I'm only interested in trying out this relatively new cartridge for it's quiet "subsonic" abilities. Noveske 110-grain FB Tipped. One of the hottest new rounds to emerge in the past few years is 300 Blackout; this is a true dual-purpose intermediate sized cartridge that can be fired in both subsonic and supersonic loads. 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. The Leupold Mark4 with the Blackout reticle supposedly (when I asked Leupold customer service) matches the supersonic 125gr round from Remington (2215fps) with the subsonic 220gr from Remington (1015 fps) at some point on the reticle. For the vast majority of applications, supersonic ammunition is the most practical choice, and it has the added benefit of being cheaper as well. This additional mass gives the 300 Blackout a lot more momentum to push through obstacles and into your target. Subsonic 300 BLK would be right behind the two pistol rounds. You use subsonic .300 Blackout rounds. The answer is of course, yes. 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. In this video, I shoot a .300 Blackout with a Silencer to compare subsonic ammo and supersonic ammo. In a comparison of 300 Blackout vs. 9mm for use in a PDW / SMG, well, there really isn’t any comparison. Even though you may not be sneaking through houses in Syria, being able to walk around or hunt without EarPro and not have to worry about your hearing if you take a shot has significant advantages. LE – Silencers – Science AA1680 probably the most used subsonic powder. If you want to be ninja quiet, then shoot subsonics. But is subsonic ever a suitable personal defense round? No, seriously — go look it up. A mystique surrounds the .300 BLK (AAC Blackout), and it overshadows this utility player’s ability to deliver All-Star numbers in a variety of roles. This supersonic duty round is engineered for reliable, controlled, 1.8x expansion, and superior feeding out of rifles with sub-9-inch barrels. Have all 3 but haven't tested Hodgdon or Lovex yet. At around 220 grains, subsonic 300 Blackout ammo weighs about as much as .45 ACP, and travels about as fast as .45 as well. Gorilla 300 AAC BlackOut Subsonic 220gr Sierra MatchKing – 160 Round Bucket. Barrels in both the Rattler and the honey badger come in at 5.5” or just over, leaving little room for a full powder burn let alone expansion at lower velocities. However, even most of the supersoninc 300BLK ammo is designed for barrel lengths of 9-12”, personal defense weapons (PDW) like the Sig Rattler, get the short  an end of the stick. In short, I’ll sacrifice ultimate sound suppression for nearly twice the muzzle velocity and energy all day and twice on Sundays. Period. While ammunition is becoming more widely available, there is nowhere near the selection and availability as there is for.223 Rem or … Subsonic bullets generally boast a lighter recoil than their speedy relatives, and have an added weight coming to around 180-220 grains in a standard .300 Blackout load. 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. This goes for animals also. After all, if .45 ACP can be used in four inch barrels successfully, surely 220gr bullets in nine inch barrels can stop a threat if the shooter does their part. The action cycling on an AR-15 is more noticeable than the round leaving the barrel. Subsonic 300 BLK ammo is roughly comparable to a 45 ACP round. As a cure, Sig released a 300BLK SBR Elite Copper Duty cartridge specifically tuned for short barrels. Supersonic.300 Blackout does nothing that supersonic 5.56mm, 7.62x39mm, 6.8mm, or 5.45mm can’t do and subsonic.300 Blackout is a poor choice for defense. Both get great reviews. Which is exactly why its not meant for hunting larger game. Be first to know about promotions and new product launches. On the other hand, the criticism for supersonic 300BLK is usually “just use .308 already”. Sound off in the comments section. The supersonic and subsonic bullets draw their names from how they each respectively relate to the sound barrier. With supersonic rounds for maximum muzzle velocity to subsonic loads that quiet the roar by slowing the pace. But with a subsonic round, the difference is night and day. If you're looking for "Hollywood Quiet", these are the loads you want to be shooting. When it comes to hunting I’d stick with a supersonic cartridge. Despite the fact that 300 BLK vs 9mm, not 300 BLK vs. 5.56 NATO, is the more appropriate comparison to make since taking down 9mm was the cartridge’s primary focus. Unfortunately, the Geissele Super 42 Braided Wire Buffer & Spring Combo was designed to pair with supersonic .300 Blackout rounds as it is a relatively stronger spring that requires more energy transfer from the likes of supersonic rounds. Subsonic rounds have about the same energy on target as a .45 ACP round. Proudly Made in the United States of AmericaProudly Made in the United States of America | Due to Overwhelming Demand, Current Lead Times are Between 4-6 Weeks, Monday-Thursday 12pm to 5pm PST Closed Friday, Saturday, & Sunday. Subsonic 9mm and 45 are right behind that. So while someone may not be able to pinpoint where they are being shot at from, they're still going to be very aware that they ARE being shot at. Supersonic means the projectile breaks the sound barrier, which produces a mini sonic boom, or a sonic crack. In fact, SOF Operators have reported shooting terrorists in one room of a house, and not having woken up bad guys sleeping in adjacent rooms. Supersonic ammunition will provide more range, energy delivered on target, and less drop or wind-drift at range. Proudly Made in the United States of America, Proudly Made in the United States of America | Due to Overwhelming Demand, Current Lead Times are Between 4-6 Weeks. Gabe’s recent thread on the bolt action pistol has me wondering about the differences between subsonic loads in 300 Blackout vs subsonic 308. The 300 blackout round was developed to suppress. Is the decision for either supersonic or subsonic 300BLK SBR ammo clear as day for you? Worth giving a look at Hodgdon CFE 300 BLK powder and also Shooters World (Lovex) 300 Blackout powder. I shoot the 5.56 without hearing protection and have no discomfort at all. The gun has been out less than a year and has pushed the subsonic ammo availability which are now easy to find. Gorilla Ammunition .300 AAC Blackout, 150gr Sierra GameKing FMJ – … We offer several different .300 blackout build kits for whatever your needs are. 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. So its not surprising that subsonic 300 BLK would mimic a handgun instead of a rifle. The truth is that supersonic .300 blackout is absolutely better than subsonic, in all areas but one. I have used Win 296 (same as H110) with good results in subsonic 300 Blk using Sierra 220gr and Hornady 208gr Amax shot out of a 8.5" SBR with a can. It is similar to the .300 Whisper, but the Blackout is optimized for use in the AR. [email protected]. The bullets are obviously the same caliber but I wonder if either cartridge outshines the other due to available bullet weights, barrel twist rates or other such variables. 300 Blackout’s effective range can stretch quite a bit depending upon your goals. The only thing you need to consider when using 300 BLK to hunt with is that it offers a limited range, 200 yards for supersonic ammo and 150 yards or less for subsonic ammo. Being able to start a fight quietly, and then with a quick change of a magazine, you can have a full-power round. While the 300 BLK is stupid quiet with subsonic ammo, the 5.56 is remarkably quiet at the muzzle. .300 Blackout subsonic is not ideal for medium to long range hunting, as the velocity and kinesthetic shock is greatly lowered from the supersonic. Just because it's not ideal, doesn't mean it can't be suppressed. If you want to be Even the SOF guys will still do 99% of their gunfighting with supersonic rounds. 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 differentiate the two. In very simple terms, subsonic means the bullet is moving slower than the speed of sound. So the fact that .300 blackout has tons of subsonic options makes complete sense. Details and specifications can be found below. These will be plinking rounds only. The ability to shoot 30 caliber bullets from a standard AR-15 M16/M4 style rifle by simply changing the barrel and ammunition has made the 300 AAC Blackout (300 BLK) a popular choice for AR shooters looking for an alternative to 223 Remington/5.56 NATO. Rated at 2,350 feet per second when fired from a rifle, I expected this one … But that's exactly what it was designed for. Editor In Chief- TFB More information available on SIG’s site, here. AR platform, 8" Wilson Combat barrel, standard gas port size and gas block, obviously pistol lenght gas system, 1-7" twist. Hornady fmj-bt, since they are relatively inexpensive. We run 300 BLK, 6.8 SPC, 458 SOCOM, 5.56, 6.5 Grendel, 22LR, 6.5 Creedmoor, 308, 9mm, and 45 ACP suppressed. There are those who will argue that subsonic 300BLK in an SBR is basically a pistol round disguised as a rifle. For anything larger, or at distance, we would recommend going supersonic. So while many believe .45 ACP to be the mighty fist of God, we know today that pretty much ALL handgun rounds are pretty terrible at stopping threats. The following article states that a 200 yd zero for supersonic = a 50 yd zero for for subsonics . Even the small .22lr breaks the sound barrier, and gives a small sonic crack. Originally born of a US SOCOM contract with Advanced Armament Corporation (hence the .300 AAC Blackout name), our nations Special Operations Forces wanted a weapon system that could switch between sub-sonic and super-sonic rounds effectively and quickly, from a compact package, while not having to move away from the M4 based platforms they were already familiar with. https://www.thefirearmblog.com/blog/2019/03/25/sig-sauer-300blk-sbr-ammo Speed equals energy, so (typically), the faster a bullet can travel, the better. After that there will be a hunters editions then sometime in October or November will be the cheap (hopefully around $12) supersonic. These lowered stats can result in unethical game kills and can lead to animal suffering even if you think you made a clean shot. The Basics of Gun Maintenance and Cleaning. Check For Best Price.