300 Hamr Vs 300 Blackout

If you’re a gun enthusiast or a hunter, you’ve probably come across the debate between the .300 HAMR and the .300 Blackout. Both of these rifle cartridges have gained popularity in recent years, but which one is truly superior? In this article, we will explore the similarities and differences between the .300 HAMR and the .300 Blackout, helping you make an informed decision on which one is right for you.

When it comes to choosing the right rifle cartridge, there are many factors to consider. The .300 HAMR and the .300 Blackout are both designed for use in the AR-15 platform, offering increased power and versatility compared to the standard 5.56mm round. However, they have distinct characteristics that set them apart from each other, making it essential to understand their strengths and weaknesses.

Whether you’re a seasoned shooter looking to upgrade your AR-15 or a newcomer trying to decide on the best cartridge for your needs, understanding the differences between the .300 HAMR and the .300 Blackout is crucial. By comparing their ballistics, performance, and availability, we can determine which one is the better choice for your specific shooting requirements. Let’s dive into the details and find out which cartridge reigns supreme in the battle between the .300 HAMR and the .300 Blackout.

300 Hamr Vs 300 Blackout

300 Hamr

This relatively new cartridge was developed by Wilson Combat, and it packs a punch. It’s based on the .223 Remington case that has been modified to accept a .308 caliber bullet. With its increased energy, accuracy, and versatility, the 300 Hamr is a force to be reckoned with.

300 Blackout

On the other hand, we have the 300 Blackout, which has been around for a bit longer and has a loyal following among gun enthusiasts. This caliber is known for its versatility, as it can be used for both close-quarters combat and hunting purposes. The 300 Blackout also offers good stopping power and is compatible with suppressors, making it a favorite among tactical shooters.

300 Hamr Vs 300 Blackout: What’s the Difference?


The 300 Hamr has a higher muzzle velocity and more energy than the 300 Blackout, giving it the edge in terms of long-range accuracy and stopping power.


Both calibers have their specific purposes. The 300 Hamr is more suited for long-range shooting and hunting larger game, thanks to its higher velocity and energy. On the other hand, the 300 Blackout is better for close-quarters combat and hunting smaller game, thanks to its versatility and compatibility with suppressors.


The 300 Blackout has been on the market for a longer time and has a wider range of ammunition options available. The 300 Hamr, being a newer cartridge, has a more limited selection.


When it comes to cost, the 300 Hamr is generally a bit more expensive than the 300 Blackout. This is partly due to its limited availability and the fact that it’s still relatively new on the market. If you’re on a budget, the 300 Blackout might be the more affordable choice.

Suppressor Compatibility

If you’re a fan of suppressors, you’ll be happy to know that both the 300 Hamr and the 300 Blackout are compatible with these accessories. This gives you the option of shooting with reduced noise and muzzle flash, making them great choices for tactical shooters.


Due to its larger case capacity, the 300 Hamr generally produces more recoil than the 300 Blackout. This may affect shooter comfort and accuracy, particularly for those with less experience or smaller frames.


After considering all the factors, it ultimately comes down to personal preference and specific use cases. However, if you’re looking for long-range accuracy and hunting larger game, the 300 Hamr might be the better choice. On the other hand, if you value versatility and compatibility with suppressors, the 300 Blackout could be the winner for you.

Pros of 300 Hamr:

  • Excellent long-range accuracy.
  • High velocity and flat trajectory.
  • Great for hunting larger game.

Cons of 300 Hamr:

  • Limited availability.
  • Higher cost compared to 300 Blackout.

Pros of 300 Blackout:

  • Versatility for close-quarters combat and hunting smaller game.
  • Compatible with suppressors.
  • Wide range of available ammunition and firearms.

Cons of 300 Blackout:

  • Lower velocity compared to 300 Hamr.
  • Less suitable for long-range shooting.

300 Hamr Vs 300 Blackout: Which is the Best and Why You Choose?

If you’re a firearms enthusiast, the 300 Hamr Vs 300 Blackout showdown is not an easy decision. Both calibers offer impressive performance and have their unique strengths and weaknesses. Ultimately, the choice depends on your specific needs, preferences, and priorities. Consider the ballistics, terminal performance, compatibility, availability, and cost efficiency when making your decision. Whether you’re a hunter, self-defense advocate, or simply a firearms enthusiast, the 300 Hamr and the 300 Blackout are sure to deliver an exciting shooting experience. So, grab your rifle, load up your preferred caliber, and let the battle begin!


So, whether you choose the 300 Hamr or the 300 Blackout, both calibers offer their own unique advantages and are popular choices among gun enthusiasts. Take the time to understand your specific needs and preferences, and you’ll be sure to make the right choice for your shooting adventures.

Frequently Asked Questions [FAQs]

Can I shoot supersonic and subsonic rounds with both the 300 Hamr and 300 Blackout?

Yes, both cartridges are capable of firing both supersonic and subsonic rounds.

Are there any other calibers similar to the 300 Hamr and the 300 Blackout?

While the 300 Hamr and the 300 Blackout are unique in their own ways, there are other similar calibers in the market, such as the 7.62x39mm and the 6.8 SPC.

Do I need to modify my AR-15 to shoot the 300 Blackout?

No, the 300 Blackout is designed to be used with a standard AR-15 platform. Only the barrel needs to be changed to accommodate the cartridge.

Which caliber has better availability of ammunition?

Currently, the 300 Blackout has better availability of ammunition due to its longer time on the market and wider adoption. However, the availability of 300 Hamr ammunition is expected to improve as its popularity grows.

Can I convert a rifle chambered in 300 Blackout to 300 Hamr?

No, conversion from one caliber to another typically requires significant modifications and may not be feasible or safe. It’s best to purchase a rifle specifically chambered for the caliber you desire.

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