The projectiles used in subsonic .300 AAC Blackout loads usually weigh between 180- and 220-grains. Anything shorter, and the shooter would be met with an impressive fireball that, while not entirely dangerous, wasn’t practical. Supersonic 300BLK can have nearly three times the kinetic energy as a subsonic 300BLK. The answer is of course, yes. Bullet drop and velocity of 5.56 vs .300 AAC Blackout. To set the stage, nearly identical platforms from SIG Sauer were chosen: a 9mm MPX and an MCX Virtus in .300 Blackout, both suppressed. .btn { Using subsonic ammunition from Hornady, competitive shooters Patrick Sweeney and Jim Tarr put both guns on film to compare function, recoil and report, and render … 5.56 vs 300 Blackout Power and Range. This supersonic duty round is engineered for reliable, controlled, 1.8x expansion, and superior feeding out of rifles with sub-9-inch barrels. Posted March 25, 2019 in Ammunition, Daily News by Pete with No CommentsTags: 300blk, Ammunition, defensive ammo, Sig Sauer, Subsonic Ammo. text-align:center; One last note, suppress shooting is a no brainer … 300 Blackout. .300 Blackout, Supersonic vs Subsonic. Parting Shot. On the other end of the spectrum, use of a supersonic load like the Federal 120g Trophy Copper at 2100fps, will result in projectile expansion to approximately 1.5x the diameter of the bullet, and greater terminal effect. The only real advantages of an expanding subsonic over an expanding supersonic in a home defense situation are (in no particular order): Buy Discreet Ballistics 188gr Selous 300BLK Subsonic. A friend of mine recently showed me his custom AR-15 in .300 blackout with a 9-inch barrel and AAC 762 suppressor. text-align: center; .btn-warning { The Discreet Ballistics 300 Blackout 190gr Subsonic Target Load is intended for use in semi-automatic and bolt action firearms chambered in 300 AAC Blackout. If not, it would ignite. It should go without saying, when talking 300 Blackout vs 5.56 in the AR platform, … Thanks to top performance accuracy, 300 Blackout Rifle Ammunition is tried and true to be some of the most versatile loads on the market. Our organs are amazingly elastic and resilient. Subsonic is also preferred where the hunter wants to limit the maximum range of projectiles. LE – Silencers – Science However, they were labeled "supersonic". This centerfire Ammunition is best known for being super accurate for match targeting. But when compared to the 350 Legend, the 300 Blackout gets walked over. user-select: none; Buy American Eagle 300BLK 200gr Suppressor. line-height: 1.5; Both are short barrel rifles and when loaded with subsonic ammo, the .300 blackout is very similar is … 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. background-color: #ffc107; Today I went to Wal-Mart to look for some ammo to buy. To rectify this, AAC look to the .300 Whisper for inspiration, a cartridge designed specifically for suppressed firing. Suppose a person wanted to build an AR platform rifle, pistol or SBR that was designed and intended primarily to be used suppressed with subsonic ammo. Despite larger bullet expansion size the temporary and permanent wound cavities of expanding subsonics are typically much smaller than expanding supersonics. If you have a suppressed AR in 300 Blackout and want to stock up on affordable ammo, this is a great option. cursor: pointer; 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. } In a comparison of 300 Blackout vs. 9mm for use in a PDW / SMG, well, there really isn’t any comparison. For the ballistics section, we will compare the 9x39mm against .300 Blackout (arguably its Western counterpart, although the Blackout was designed as a dual-purpose subsonic/supersonic round), and the .45 ACP pistol round. As a cure, Sig released a 300BLK SBR Elite Copper Duty cartridge specifically tuned for short barrels. 300 Blackout offers a range of performance, in both supersonic and subsonic loadings. -webkit-user-select: none; [email protected]. Conversely an expanding supersonic bullet will create substantially more trauma than non-expanding supersonic bullets or expanding subsonic bullets. 300 BLK is known for subsonic performance but one cannot discount the great performance of supersonic offerings as well. With supersonic rounds for maximum muzzle velocity to subsonic loads that quiet the roar by slowing the pace. The .300blk round has skyrocketed in popularity the past decade. SUBSONIC 300 AAC BLACKOUT 220gr SP Manufacturer: Triple R Munitions Condition: Factory Remanufactured Bullet Weight: 220 Grain Bullet Type: Spire Point Ammo Casing: Brass Ammo Caliber: 300 AAC Blackout Primer Type: Boxer Velocity: 1050 Ft/s . More information available on SIG’s site, here. LE – Silencers – Science 300BLK comes in two flavors: supersonic and subsonic. 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. Some of you stated that you would pick heavier and quieter rounds to preserve situational awareness and communication abilities. Anyway, read through the responses below and let us know your thoughts in the comments section. I was intrigued to compare it with my HK UMP 8-inch barrel gun. Even though a subsonic .300 Blackout round has about the same energy as a 230 gr. They had some ammo I'm interested in trying out for the first time. In a possible third part of the series, I’m considering asking a few hunters and invasive species control experts (wild hog eradicators) for their opinion. 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 300 BLK also has a much easier time handling both subsonic and supersonic ammo, … Home defense in its most typical form is about getting yourself and your loved ones off the X. 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. Thread starter Sniper338; Start date Jan 4, 2017; Sniper338. The positives of the .300 Blackout and Whisper are obvious. } For something like that does .300 BLK have any real advantage over a 10 mm or even a .40S&W? Ballistic know-how combined with modern technology makes 300 Blackout Ammo the go-to for in the know shooters. This round has been thoroughly tested to function in both pistol and carbine length gas systems. vertical-align: middle; border-radius: .25rem; No surplus powders or primers are used to build our ammunition. The top features of this subsonic 200-grain 300 Blackout ammo are the performance when suppressed and the heavy bullets. Jan 4, 2017 #1 I just loaded a few rounds: 7.5 inch barrel pistol upper Lake city brass Cci 400 small rifle 200gr hornady ELD-X AA1680 Charges: 11.0 10.0 9.0 8.0 7.0 5.0 The cartridge required all 12” to ensure the powder was burned off before exiting the barrel. The 350 Legend can perform up to 240 yards while the 300 Blackout fails to reach a useful 200 yards range. The following ammunition cartridge ballistics information and chart can be used to approximately compare .223 Remington vs .300 AAC Blackout ammo rounds. Some of you stated that you would pick heavier and quieter rounds to preserve situational awareness and communication abilities. A couple of recent threads got me to thinking about this subject. On the other hand, the criticism for supersonic 300BLK is usually “just use .308 already”. Some experts say you need 3,000 fps because the bullet rapidly slows down after it leaves the muzzle and it needs to be at 2,… 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. Aggie ... (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. .tfb-affiliate-link{ Rat… On the downside, this heavy subsonic load will provide little to no expansion, and at handgun velocity (less than 2000fps) will poke holes and crush tissue, likely resulting in a through and through performance. Maybe a greater margin of error for nicking a vital organ as a result of larger bullet expansion. On the other hand, supersonic offerings, when combined with suppression, will still conceal one’s position and affords longer range lethality due to flatter shooting, lower weight bullets. CFE BLK vs. H110 for 300 Blackout. A 12” barrel was what was required for the 5.56mm. Heavy for caliber bullets are often used to off-set lack of velocity and still provide great short to medium range performance. It was a box of .300 AAC Blackout. By Martin Topper. For varmint hunters, competitors, and gun owners practicing at a distance, supersonic 300 BLKs are big medicine. In short, I’ll sacrifice ultimate sound suppression for nearly twice the muzzle velocity and energy all day and twice on Sundays. color: #212529; 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. 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. Posted April 10, 2019 in Ammunition, AR-15, Editorial, Subsonic Ammunition by Pete with No CommentsTags: 300 BLACKOUT, 300blk, Subsonic, supersonic, When we last left you, the discussion of choosing either subsonic or supersonic ammo for your 300BLK defensive weapon was in a full-on firefight. The supersonic SBR Elite Copper Duty ammunition features an all-copper bullet and black oxide shell case to visually denote SBR capability. The answer, of course, is dependent on multiple variables – distance to targets, clothing/body armor, etc all come in to play. display: inline-block; The powders that are used are often better than those of many OEM … What testing has found is that 5.56mm at 500 yards had a high-velocity thanks to the lower weight of the 5.56mm NATO, it can cover more yards … border: 1px solid transparent; The .300 Blackout is one of the more interesting calibers in recent years, officially approved by SAAMI in 2011, and born out of a need for a specialized close-combat round for special operations units, the .300 AAC Blackout has become one of the most popular chamberings for the AR-15 platform – and for good reason. font-weight: 400; But is subsonic ever a suitable personal defense round? But the question gets more difficult as barrel lengths decrease. 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. Best Subsonic Ammo: Hornady Subsonic 300 Blackout … 300 Blackout’s effective range can stretch quite a bit depending upon your goals. Is the decision for either supersonic or subsonic 300BLK SBR ammo clear as day for you? In short, I’ll sacrifice ultimate sound suppression for nearly twice the muzzle velocity and energy all day and twice on Sundays. There are those who will argue that subsonic 300BLK in an SBR is basically a pistol round disguised as a rifle. 300 Blackout w/ 220 gr. Subsonic Ammunition (50 Rounds) Re-Manufactured Ammunition $ 99.00 $ 78.00 .380 auto Ammo 100 grain RN. margin-bottom: 10px; Please keep it civil people. If you do use subsonic, make sure you know what that projectile is going to do at those slow speeds. If you’ve chosen 300BLK to help accomplish this goal, you’re on the right track. When it comes to the 300 Blackout, there are more options for rapid expansion in supersonic rounds than there are with subsonic loads. 300BLK is the most versatile centerfire cartridge in existence and an excellent HD choice. ... Fiocchi’s Versatile .300 Blackout Ammunition. Supersonic Vs. Subsonic. -moz-user-select: none; font-size: 1rem; Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to … (1000 Rounds) (Re-Manufactured) $ 1,000.00 $ 960.00 white-space: nowrap; Jump to Latest Follow 1 - 5 of 5 Posts. Even a thin-jacketed traditional match bullet won’t expand at subsonic velocities, it may tumble, but may act more like an FMJ until it becomes unstable. 300 Blackout vs. 5.56 Velocity Loss (In Feet Per Second) Range (Yards) Supersonic 115-grain 300 Blackout Subsonic 190-grain 300 Blackout Supersonic 55-grain 5.56; Muzzle Velocity (0 Yards) ... Subsonic 300 Blackout bullets weigh 220 grains, or three times as much as subsonic … 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. text-decoration: none !important; First, you need at least 2,500 fps to guarantee that the initial wound cavity causes permanent damage to the organs near the entry wound. In general, most people prefer a self-defense rifle bullet  that expands rapidly and doesn’t over-penetrate so that bullets won’t travel through multiple walls or similar structures. They have to fit the magazine, regardless of bullet weight. Details and specifications can be found below. margin-top: 6px; Due to the higher velocity, you will encounter much louder report regardless of a suppressor, due to the supersonic crack of the bullet. 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 … I have a feeling I know how most of them will answer, but I’ve been wrong a few times in the past. What They Have To Offer. Both 5.56 and 300 blackout have been extensively tested. padding: .375rem .75rem; } }, Editor In Chief- TFB -ms-user-select: none; I'm only interested in trying out this relatively new cartridge for it's quiet "subsonic" abilities. – Brad Criner, Senior Director – Sig Sauer Ammunition. This, combined with its ability to shoot heavier bullets, have made the 300 BLK a more popular hunting choice for large game. GEMTECH .300 Blackout Subsonic 208gr A-MAX Polymer Tip 20/Box is an optimized for suppressor usage. But while energy transfer is very important it does not tell the entire story. It’s where the cartridge’s roots are laid and there’s ample subsonic ammunition available. There’s a time and place for both technologies and you should practice/zero with both types. [email protected], Reduced risk of over penetration from a pass through projectile. 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. Sound off in the comments section. 300 Blackout 115 GR BER TGT FB Hodgdon Trail Boss .308" 2.050" 4.5 965 17,100 PSI 5.5 1,062 18,400 PSI 300 Blackout 125 GR NOS BT Hodgdon Trail Boss .308" 2.060" 6.1 1,060 21,300 PSI 300 Blackout 130 GR SPR HP Hodgdon Trail Boss .308" 2.005" 6.4 967 25,800 PSI You can shoot subsonic ammo, and that makes the rifle or pistol very quiet. Others chose faster and lighter rounds because “it’s a rifle, not a pistol”. The clear advantages of sub-sonic loads are, of course, sound suppression which can conceal both presence & position. 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. A barrel longer than 12”, however, resulted in a decreased range, making it an unreliable round with a suppressor. And a small percentage of you claimed that using a 300BLK AR15 in a life or death situation was nothing more than a mall ninja’s wet dream. Instead of just yelling at the clouds, I thought we could bring in a few experts in the field of ammunition development and ask them for their thoughts on the matter. The .300 Blackout and Whisper can be loaded with many different bullets, but you have to be careful with overall length. 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. border-color: #ffc107; There are some loads on the market that do expand at subsonic velocities, but in general they still won’t expand as rapidly and violently as a supersonic load will so penetration may still be an issue. This will add versatility and a broader range of uses for this great platform. Editor In Chief- TFB .btn:not(:disabled):not(.disabled) { This added weight makes them naturally slower than a 110-grain bullet fired through the same barrel, even if the heavier bullets are charged with the same type and amount of … transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out; In short a good expanding supersonic 300BLK is always ballistically superior to a good expanding subsonic 300BLK. 300 blackout subsonic. Range will be limited to 500 meters, and we will not be taking a look at wind drift for any of these rounds as within their effective ranges it is not very significant. 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. Tags: 300 BLACKOUT, 300blk, Subsonic, supersonic When we last left you , the discussion of choosing either subsonic or supersonic ammo for your 300BLK defensive weapon was in a full-on firefight. Given equal penetration a larger bullet will damage more tissue and cause more bleeding. Unsuppressed, a significant muzzle flash will occur that may hamper low light visibility, the report may cause hearing damage and temporary disorientation. An argument for another day…. PLEASE SUPPORT MAC ON PATREON (we are viewer supported): http://www.patreon.com/militaryarmsWe find out how a 200gr subsonic S&B .300 … This segment of “Cameras Don’t Lie” is a subsonic showdown, 9mm vs. .300 Blackout. Otherwise, even though the initial wound cavity may look cool in ballistic gelatin, it is not enough to cause any real damage. A supersonic 300BLK round that does not deform or tumble in soft tissue will create only marginally more trauma that a heavier non-deforming non-tumbling subsonic bullet.
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