
HSM 300BLK9N 300 Blackout 150 gr Full Metal Jacket (FMJ) 20 Bx/ 25 Cs
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HSM 300 Blackout 150 Grain Full Metal Jacket Ammunition: The Versatile Choice for Modern Shooters
Are you a rifle enthusiast seeking highly effective and reliable ammunition for your AR-platform rifle chambered in .300 Blackout? Do you need a versatile cartridge that excels in various shooting disciplines, from precision target practice to responsible hunting, without compromising on performance or affordability? Look no further than HSM 300 Blackout 150 gr Full Metal Jacket (FMJ) ammunition, a top-tier option for shooters demanding consistency and dependable function.
This detailed guide is designed to answer common questions about the .300 Blackout cartridge, the benefits of 150-grain FMJ projectiles, and why HSM ammunition stands out as a preferred choice for both recreational and serious shooters. Whether you're a seasoned competitor, a dedicated hunter, or someone looking to enhance their home defense capabilities, understanding the nuances of your ammunition is paramount. This information will help you make informed decisions and get the most out of your shooting experience.
What is .300 Blackout and Why Is It So Popular?
The .300 AAC Blackout (often abbreviated as .300 BLK or 300BLK) is a rifle cartridge developed by Advanced Armament Corporation (AAC) in collaboration with Remington Defense. Its primary design goal was to achieve excellent ballistic performance in short-barreled rifles (SBRs) and provide a cartridge that could seamlessly transition between supersonic and subsonic loads while using standard AR-15 magazines and bolt carriers.
Key Advantages of the .300 Blackout Cartridge:
- Optimized for Short Barrels: Unlike cartridges like 5.56x45mm NATO, which lose significant velocity and energy in shorter barrels, the .300 Blackout is highly efficient in barrel lengths ranging from 7 to 16 inches. This makes it ideal for compact rifles and Pistol Caliber Carbines (PCCs) built on the AR-15 platform.
- Suppressor Friendly: The .300 BLK truly shines when paired with a sound suppressor. Its ability to effectively launch heavy, subsonic projectiles means shooters can achieve significant sound reduction, making for a quieter and more enjoyable shooting experience, especially at the range or during hunting where noise discipline is critical.
- Broad Projectile Weight Range: The cartridge accommodates a wide array of bullet weights, typically from 110 grains (supersonic) to 220 grains (subsonic). This versatility allows shooters to select specific loads for different purposes – lighter bullets for higher velocities and flatter trajectories, and heavier bullets for subsonic suppressed applications and increased terminal energy at closer ranges.
- AR-15 Platform Compatibility: A major draw of the .300 Blackout is its compatibility with existing AR-15 components. Shooters can convert their 5.56/.223 AR-15 by simply swapping out the barrel, making it an accessible upgrade for many rifle owners. Standard AR-15 magazines can be used without modification.
- Effective for Hunting: With appropriate projectile choices, the .300 Blackout is an effective cartridge for hunting medium-sized game like deer, wild hogs, and coyotes, particularly at ranges within 150-200 yards.
Why Choose 150 Grain Full Metal Jacket (FMJ) Ammunition?
The HSM 300 Blackout load features a 150-grain Full Metal Jacket (FMJ) bullet. This specific combination offers a compelling set of benefits for various shooting scenarios.
Understanding the 150 Grain Weight:
- Supersonic Performance: A 150-grain bullet in .300 Blackout is typically a supersonic load, meaning its velocity exceeds the speed of sound. This makes it an excellent choice for general-purpose shooting where maximum range and a flatter trajectory are desired.
- Balanced Trajectory and Energy: This mid-range bullet weight strikes an optimal balance between the higher velocities of lighter bullets and the increased mass of heavier ones. It provides good kinetic energy delivery downrange while maintaining a relatively flat trajectory out to typical engagement distances for the cartridge.
- Versatility: While not a dedicated subsonic round, 150-grain FMJ can still offer a good balance of performance when used with a suppressor, although it will still produce a supersonic crack. For unsuppressed shooting, it's a fantastic all-around option.
Benefits of Full Metal Jacket (FMJ) Projectiles:
- Cost-Effectiveness: FMJ bullets are generally the most economical to produce, making them an excellent choice for high-volume training, target practice, and recreational shooting. This allows shooters to hone their skills without breaking the bank.
- Reliable Feeding: The copper jacket encasing a lead core provides a smooth, consistent surface that aids in reliable feeding and cycling through a wide range of firearms, especially semi-automatic rifles like the AR-15. This reduces the likelihood of malfunctions during training or critical situations.
- Minimal Barrel Fouling: The full metal jacket helps to minimize lead fouling in the barrel, which can extend the time between cleanings and contribute to consistent accuracy over longer shooting sessions.
- Controlled Penetration: While not designed for expansion, FMJ bullets offer good penetration, making them suitable for plinking, target shooting, and certain training scenarios. It's important to note that FMJ rounds are typically not recommended for hunting or self-defense due to their limited expansion and energy transfer compared to expanding bullet types.
Common Use Cases for HSM 300BLK 150 gr FMJ:
- Range Training: Ideal for honing marksmanship skills, practicing drills, and getting familiar with the feel and recoil of your .300 Blackout rifle.
- Plinking and Recreational Shooting: A great choice for casual shooting sessions where cost and reliability are key.
- Breaking in New Firearms: Many shooters prefer FMJ for the initial break-in period of a new rifle due to its consistent feeding and relatively clean burning properties.
- Competitive Shooting (where FMJ is allowed): While not a match-grade projectile, the consistency of HSM FMJ can make it suitable for some entry-level competitive events.
Why Choose HSM Ammunition? A Commitment to Quality
HSM Ammunition, an acronym for Hunting Shack Munitions, has been producing high-quality ammunition in Montana, USA, since 1968. With over five decades of experience, HSM has built a reputation for crafting reliable and accurate ammunition for a wide range of shooting disciplines. Their commitment to quality control and using premium components ensures that every round performs consistently.
Key Aspects of HSM Ammunition's Quality:
- American Made: HSM ammunition is proudly manufactured in Stevensville, Montana, supporting American jobs and adhering to stringent quality standards.
- Premium Components: HSM utilizes high-quality brass casings, reliable primers, clean-burning propellants, and precisely manufactured bullets to ensure consistent performance from shot to shot. This attention to detail reduces the chance of misfires or inconsistencies that can plague lesser quality ammunition.
- Rigorous Quality Control: Every batch of HSM ammunition undergoes thorough inspection and testing to meet strict performance and safety standards. This includes velocity testing, pressure testing, and visual inspections, providing shooters with confidence in their ammunition.
- Consistency and Reliability: Shooters often praise HSM for its consistent velocities and reliable feeding, making it a trusted choice for serious applications where performance cannot be compromised.
- Value Proposition: While offering premium quality, HSM ammunition often provides excellent value, striking a balance between performance and affordability, especially when purchased in bulk from reputable suppliers like DEGuns.
Optimizing Your .300 Blackout Rifle for Peak Performance
To truly maximize the effectiveness of your HSM 300 Blackout 150 gr FMJ ammunition, consider these factors related to your firearm:
- Barrel Twist Rate: For 150-grain bullets, a common twist rate for .300 Blackout barrels is 1:8 or 1:7. These rates provide good stabilization for mid-weight supersonic projectiles, ensuring optimal accuracy.
- Gas System Length: Given the versatility of .300 Blackout for both suppressed and unsuppressed use, and varying projectile weights, adjustable gas blocks are a popular accessory. They allow shooters to fine-tune the gas system for reliable cycling with different loads and reduce recoil, especially when using a suppressor.
- Magazine Compatibility: While standard AR-15 magazines work, some shooters find that specific magazine designs (e.g., those optimized for 300 BLK) can improve feeding reliability, particularly with heavier or irregularly shaped projectiles. For 150 gr FMJ, standard magazines generally perform flawlessly.
- Cleaning and Maintenance: Regular cleaning of your rifle's bore, chamber, and gas system is crucial for maintaining accuracy and reliability. The clean-burning characteristics of HSM ammunition can help reduce the frequency of intense cleaning, but consistency is key.
Purchasing HSM 300 Blackout 150 gr FMJ Ammunition
When you're ready to stock up on reliable and high-performing 300 Blackout ammunition, DEGuns offers the HSM 300 Blackout 150 gr FMJ (UPC: 870002003780) in convenient packaging. This specific product is available in 20-round boxes, which are then packaged 25 boxes to a case, totaling 500 rounds per case. Purchasing in bulk cases from DEGuns is often the most cost-effective way to acquire ammunition for extensive training or preparing for prolonged shooting seasons.
DEGuns is a trusted source for a wide variety of firearms, accessories, and ammunition, known for its extensive inventory and commitment to customer satisfaction. Their knowledgeable staff can assist with any questions regarding ammunition compatibility or recommended accessories for your .300 Blackout rifle.
Essential Safety and Storage Guidelines
Responsible firearm ownership extends to proper ammunition handling and storage. Always adhere to these safety principles:
- Always identify your target and what is beyond it.
- Always keep the muzzle pointed in a safe direction.
- Always keep your finger off the trigger until you are ready to shoot.
- Always keep your firearm unloaded until ready to use.
- Store ammunition in a cool, dry place, away from extreme temperatures and humidity. This helps preserve the integrity of the propellant and primers.
- Keep ammunition securely locked away from unauthorized access, especially children.
- Never use damaged or corroded ammunition. Inspect each round before loading.
- Dispose of old or damaged ammunition properly, following local regulations.
Frequently Asked Questions (FAQs) about .300 Blackout Ammunition
Q: Can I use 300 Blackout in a 5.56 NATO rifle?
A: Absolutely NOT. While both cartridges fit in an AR-15 magazine, firing a 300 Blackout round in a 5.56 NATO barrel will result in a catastrophic failure, severe damage to the firearm, and serious injury to the shooter. Always ensure your rifle's barrel is correctly chambered for the ammunition you intend to use.
Q: Is 150 gr FMJ good for hunting?
A: While 150 gr FMJ can be effective for target shooting and training, it is generally not recommended for hunting. FMJ bullets are designed for penetration rather than expansion, meaning they may not deliver sufficient energy or create a humane wound channel for ethical hunting of game animals. For hunting, expanding projectiles like soft point (SP), hollow point (HP), or ballistic tip (BT) bullets are preferred.
Q: How does 150 gr .300 Blackout compare to 5.56x45mm?
A: The two cartridges serve different purposes. 5.56x45mm (or .223 Remington) excels at higher velocities and flatter trajectories, making it ideal for longer-range target shooting and small varmint hunting. The .300 Blackout, particularly with heavier bullets, offers superior energy at closer ranges, better performance in short barrels, and excellent suppressed capabilities. The 150 gr .300 BLK provides a balance, offering more terminal energy than 5.56 at closer ranges, while still maintaining respectable velocity.
Q: What is the effective range of 150 gr .300 Blackout FMJ?
A: For general target shooting and training, the 150 gr .300 Blackout FMJ can be effective out to 200-300 yards, depending on the shooter's skill and rifle's accuracy. Beyond that, the bullet drop becomes more significant. For precise accuracy, especially in unsuppressed configurations, its sweet spot is typically within 150-200 yards.
Q: Can I reload .300 Blackout brass?
A: Yes, .300 Blackout is a popular cartridge for reloaders. The HSM brass cases are high-quality and can be reloaded multiple times, offering significant cost savings for high-volume shooters. Always consult reliable reloading manuals for safe load data.
By choosing HSM 300 Blackout 150 gr FMJ ammunition from DEGuns, you are selecting a product that delivers consistent performance, reliable function, and exceptional value, ensuring a rewarding and effective shooting experience every time you hit the range.
Product Specifications and Details
| Feature | Description | Value |
|---|---|---|
| Brand | HSM (Hunting Shack Munitions) | Established American Manufacturer |
| Caliber | 300 AAC Blackout (300 BLK) | Versatile Rifle Cartridge |
| Bullet Type | Full Metal Jacket (FMJ) | Reliable, Cost-Effective Training Round |
| Bullet Weight | 150 Grains | Supersonic Performance |
| SKU / Product Code | 300BLK9N | Manufacturer's Identifier |
| UPC | 870002003780 | Universal Product Code |
| Rounds Per Box | 20 | Standard Retail Packaging |
| Boxes Per Case | 25 | Bulk Packaging |
| Rounds Per Case | 500 | Optimal for Volume Shooters |
| Primary Use | Target Practice, Training, Plinking, Range Use | Maximizes Practice Time |
| Compatibility | AR-15 Platform (with 300 BLK barrel) | Broad Firearm Application |
| Availability | Available at DEGuns | Trusted Retailer |
Specifications
Explore the specific details and characteristics
- SKU
- 61399







