Rat… The projectiles used in subsonic .300 AAC Blackout loads usually weigh between 180- and 220-grains. The answer, of course, is dependent on multiple variables – distance to targets, clothing/body armor, etc all come in to play. .300 Blackout, Supersonic vs Subsonic. 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 … 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. vertical-align: middle; Bullet drop and velocity of 5.56 vs .300 AAC Blackout. 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. Supersonic Vs. Subsonic. 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 … 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. Subsonic is also preferred where the hunter wants to limit the maximum range of projectiles. 300BLK is the most versatile centerfire cartridge in existence and an excellent HD choice. Given equal penetration a larger bullet will damage more tissue and cause more bleeding. This centerfire Ammunition is best known for being super accurate for match targeting. There are those who will argue that subsonic 300BLK in an SBR is basically a pistol round disguised as a rifle. The .300 Blackout and Whisper can be loaded with many different bullets, but you have to be careful with overall length. 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. To rectify this, AAC look to the .300 Whisper for inspiration, a cartridge designed specifically for suppressed firing. In short a good expanding supersonic 300BLK is always ballistically superior to a good expanding subsonic 300BLK. Anyway, read through the responses below and let us know your thoughts in the comments section. 300 blackout subsonic. Is the decision for either supersonic or subsonic 300BLK SBR ammo clear as day for you? Home defense in its most typical form is about getting yourself and your loved ones off the X. 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. Despite larger bullet expansion size the temporary and permanent wound cavities of expanding subsonics are typically much smaller than expanding supersonics. -webkit-user-select: none; display: inline-block; 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 … This, combined with its ability to shoot heavier bullets, have made the 300 BLK a more popular hunting choice for large game. .tfb-affiliate-link{ font-size: 1rem; With supersonic rounds for maximum muzzle velocity to subsonic loads that quiet the roar by slowing the pace. But while energy transfer is very important it does not tell the entire story. 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. More information available on SIG’s site, here. One last note, suppress shooting is a no brainer … 300 Blackout. 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. .btn:not(:disabled):not(.disabled) { GEMTECH .300 Blackout Subsonic 208gr A-MAX Polymer Tip 20/Box is an optimized for suppressor usage. 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,… 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. 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. 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. 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. text-align:center; Due to the higher velocity, you will encounter much louder report regardless of a suppressor, due to the supersonic crack of the bullet. } The 300 BLK also has a much easier time handling both subsonic and supersonic ammo, … There’s a time and place for both technologies and you should practice/zero with both types. color: #212529; 300 Blackout w/ 220 gr. Our organs are amazingly elastic and resilient. The clear advantages of sub-sonic loads are, of course, sound suppression which can conceal both presence & position. 300 BLK is known for subsonic performance but one cannot discount the great performance of supersonic offerings as well. A friend of mine recently showed me his custom AR-15 in .300 blackout with a 9-inch barrel and AAC 762 suppressor. Both 5.56 and 300 blackout have been extensively tested. 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. But is subsonic ever a suitable personal defense round? Thanks to top performance accuracy, 300 Blackout Rifle Ammunition is tried and true to be some of the most versatile loads on the market. 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. ... Fiocchi’s Versatile .300 Blackout Ammunition. Even though a subsonic .300 Blackout round has about the same energy as a 230 gr. 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. 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. In short, I’ll sacrifice ultimate sound suppression for nearly twice the muzzle velocity and energy all day and twice on Sundays. In a comparison of 300 Blackout vs. 9mm for use in a PDW / SMG, well, there really isn’t any comparison. margin-top: 6px; The following ammunition cartridge ballistics information and chart can be used to approximately compare .223 Remington vs .300 AAC Blackout ammo rounds. But when compared to the 350 Legend, the 300 Blackout gets walked over. This will add versatility and a broader range of uses for this great platform. Today I went to Wal-Mart to look for some ammo to buy. Otherwise, even though the initial wound cavity may look cool in ballistic gelatin, it is not enough to cause any real damage. You can shoot subsonic ammo, and that makes the rifle or pistol very quiet. Some of you stated that you would pick heavier and quieter rounds to preserve situational awareness and communication abilities. A barrel longer than 12”, however, resulted in a decreased range, making it an unreliable round with a suppressor. 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. Details and specifications can be found below. Conversely an expanding supersonic bullet will create substantially more trauma than non-expanding supersonic bullets or expanding subsonic bullets. If not, it would ignite. Some of you stated that you would pick heavier and quieter rounds to preserve situational awareness and communication abilities. This round has been thoroughly tested to function in both pistol and carbine length gas systems. For something like that does .300 BLK have any real advantage over a 10 mm or even a .40S&W? .btn { }, Editor In Chief- TFB I have a feeling I know how most of them will answer, but I’ve been wrong a few times in the past. CFE BLK vs. H110 for 300 Blackout. No surplus powders or primers are used to build our ammunition. [email protected]. It should go without saying, when talking 300 Blackout vs 5.56 in the AR platform, …