The 300 Blackout (BLK) cartridge is a popular choice among hunters and shooters, offering versatility and stopping power in a compact package. One of the key features of the 300 BLK is its availability in both subsonic and supersonic rounds, giving it a unique set of capabilities and versatility.
Subsonic bullets move at a pace slower than the speed of sound, while supersonic bullets surpass the sound barrier and make a sonic boom as they travel through the air. Although both options have advantages, supersonic ammunition is often considered the more ethical and responsible choice for hunting and defense purposes. While subsonic ammo is quieter and has less recoil, supersonic ammo offers a more accurate trajectory, longer effective range, and greater stopping power against living targets.
This article will explore the 300 Blackout supersonic and subsonic options, what they can do, and why it is a favorite among many hunters and shooters. Understanding the differences between these two types of loads is important for choosing the right one for your needs.
The 300 Blackout subsonic is a modern cartridge that has been gaining popularity among shooters looking for a round perfect for suppressed shooting. The 300 Blackout subsonic is designed to be used with a suppressor, which helps reduce the shot's noise, making it ideal for use in hunting, target shooting, and other applications where stealth and silence are essential.
This makes it particularly well-suited for suppressed firearms, as it will produce a suppressed “hush” sound rather than the loud “crack” of a rifle cartridge. The subsonic design also helps reduce recoil and increase accuracy.
The 300 Blackout supersonic round can fire at velocities of over 1,100 feet per second (fps) using a variety of bullet weights and designs. This makes it ideal for hunting medium-sized games and tactical use, as it provides a high level of terminal energy and accuracy. Additionally, the 300 BLK supersonic round can be used in semi-automatic or bolt-action rifles, offering a range of options for shooters.
For shooting 300 Blackout subsonic rounds, a bolt-action or a suppressed semi-automatic rifle is the best choice. A rifle with a heavy barrel and a good quality suppressor can provide accuracy and reduce the noise signature.
For 300 Blackout supersonic rounds, a semi-automatic rifle is the best choice. The AR-15 platform is popular for 300 Blackout and provides versatility for shooting both subsonic and supersonic rounds. Some popular rifles for shooting 300 Blackout include the Ruger AR-556, the Daniel Defense DDM4, and the Sig Sauer M400 Tread.
| 300 Blackout Subsonic Pros: | 300 Blackout Supersonic Pros: |
| Quieter shooting, making it ideal for hunting and shooting in populated areas. | Higher velocity and energy, making it more effective for longer-range shooting and taking down larger games. |
| Less recoil, making it easier to shoot accurately. | Improved terminal performance, as supersonic rounds are more likely to expand and cause more damage to the target. |
| Reduced risk of over-penetration, making it safer to shoot in populated areas. | More ammunition options, such as supersonic 300 blackout rounds, are widely available. |
| Most Silent Operation | Louder, Presenting a Supersonic Crack |
| Steeper Bullet Drop | Flatter Trajectory |
| Insufficient Stopper Power | Superior Stopping Power & Terminal Performance |
| 300 Blackout Subsonic Cons: | 300 Blackout Supersonic Cons: |
| Reduced velocity and energy, making it less effective for longer-range shooting and for taking down larger game. | Noisier shooting, which can spook the game and be annoying for neighbors in populated areas. |
| Limited ammunition availability, as not all manufacturers produce subsonic 300 blackout rounds. | Higher recoil, making it more challenging to shoot accurately. |
| Poor terminal performance, as subsonic rounds' reduced velocity and energy can result in less reliable and effective expansion. | Increased over-penetration risk makes it less safe to shoot in populated areas. |
| Feature | Subsonic 300 Blackout | Supersonic 300 Blackout |
| Accuracy | Good to excellent | Good to excellent |
| Velocity | Below the speed of sound (typically around 1,000-1,100 ft/s) | Above the speed of sound (typically around 2,200 ft/s) |
| Energy | Lower (typically around 500-600 ft-lb) | Higher (typically around 1,500-2,000 ft-lb) |
Note: The actual values for accuracy, velocity, and energy may vary depending on the specific load and firearms used. These values are general estimates based on commonly available subsonic and supersonic 300 blackout loads.
The .300 Blackout 190 Grain SUB-X bullets have long pre-cut grooves to ensure good expansion. The Hornady .300 Blackout 190 Grain SUB-X bullets are composed of a lead core. The jacket has a cannelure to ensure a positive crimp that will facilitate feeding in almost all semi-automatic actions.
The subsonic velocity of this cartridge means it is designed for quiet shooting, with reduced recoil and minimal noise. This cartridge is perfect for target practice/range training requiring stealth and accuracy.
It is designed for use with 300 AAC Blackout caliber firearms and has a subsonic velocity, which means the bullet travels slower than the speed of sound. The 200-grain weight refers to the weight of the bullet, and the open-tip range design is a type of bullet design that features an open tip.
Nosler, Match, 300 AAC Blackout is a competition-ready target and hunting round featuring a streamlined, copper-plated jacket and lead-alloy core for controlled expansion and superior weight retention. The heavy jacket profile and boattail base design deliver flatter trajectories and enhanced long-range accuracy. To top it off, these match-grade rifle rounds deliver consistent performance and dependable expansion, while the polished brass casings deliver ultrasmooth feeding performance for added reliability.
Precision One 300 Blackout, Subsonic Ammunition is the perfect choice for shooters looking for a high-quality, reliable round for hunting and target shooting. This ammunition is designed to perform in various rifles, including AR15s and bolt-action rifles. It is also designed to reduce noise, allowing for more discreet shooting.
Made using only high-quality Federal brass, primers, and clean burning powder, American Eagle .300 AAC Blackout Rounds are perfect for target shooting, training, and plinking. These Rounds are ideal if you're looking for an accurate and reliable bullet at a fantastic value.
These supersonic 300 blackout rounds feature premium Hornady 125 gr SST bullets. The combination of velocity, weight, and expansion yields deep penetration and makes these an excellent choice for hog hunting.⯠This is the cleanest, most accurate remanufactured supersonic 300 blackout you will find on the market today.
The SIG E300A1 20 300BLK Match Grade Supersonic 125gr Sierra MatchKing is an excellent choice for shooters looking for reliable accuracy and performance.
In conclusion, the choice between subsonic and supersonic 300 Blackout ammunition comes down to personal preference and intended use. Subsonic ammunition offers the advantage of reduced noise and improved accuracy, making it a popular choice for hunting and target shooting.
On the other hand, supersonic ammunition provides higher velocity and greater stopping power, making it a better choice for defensive and tactical applications. It's important to choose the right ammunition for your specific needs and ensure you have a reliable and accurate firearm to use.
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