300 Blackout 1-7 Vs 1-8 Twist: Is One Better Than The Other?

Finding the matching twist rate for your bullet is vital as this gives you maximum accuracy. A connoisseur of guns of course knows about this very well, but if you are just starting out then, you must read this post now. It is true as you will get too many things about the twist rate that most people are confused about.

That is right, you will come across a lot of theories about the 300 blackout 1-7 vs 1-8 twist that could be misleading, which is why we thought it to be our research matter this time. Look, we are hunters and gun lovers to the core, we thought it to be apt to take things in our hands and this is what we came up with. Have a read.

What’s The Difference Between 300 Blackout 1-7 & 1-8?

300 Blackout-1.7
300 Blackout-1.7

Even before you ask this question, you must be very clear about what is a 300 Blackout.

What Is A 300 Blackout?

It is also known as 300 BLK and its main purpose is to help you achieve precision. In simple words, it enhances the AR magazines. The 300 BLK upgrades the capacities of a standard cartridge. 

It has versatile uses as it can be used with both long and short barrels. It is considered to be the perfect choice for supersonic and subsonic performances. Hence, you can use 300 blk twist rate for hunting, competitions, and even for home defense. 

That said, let us have a look at the 1:7 vs 1:8 twist discussion in detail. Keep reading to know more.

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300 Blackout 1-7 vs 1-8 Twist Detailed Comparison

The next question arises, as to what is 300 blackout barrel twist? A straightforward answer to this is to say, it is the spinning rate of the rifle barrel. To be precise, the 1:7 indicates the bullet will spin over 7 inches of the rifle. The same applies to the 1:8 300 blackout. 

The truth is, the smaller the ratio, the faster the spinning. On the contrary, the larger number will be slower in comparison and this may bring down your shooting experience. A fast spinning twist denotes the bullet remains stable and travels with great speed. This enhances accuracy and your target range. 

Yes, you have to decide when it comes to choosing which one, as we do not know what kind of shooting you are into these days. It would be inappropriate if we ask you to go for 1/7 or 1/8 twist 300 blackout. We do not want to miss guide you, so we would refrain from planting ideas in your head. 

How To Find The Ideal Twist Rate For Your Rifle?

Okay, you want to know more about what is 300 blackout twist rate at this stage (if you are a novice or a self-learner). We appreciate your time, patience, and effort in that case. Well, we have discovered certain things that we have recorded here for you. These may work as a 300 blackout twist rate chart or anyways will give you the heads up to hit the target (no pun intended).

Find The Twist

The first thing you need to know is what are these twists used for. The 1:7 twist rate for 300 blackout is the most popular one as it can be used for matches and self-defense. It is a good match for substantial subsonic rounds. 

The 1:8 twist rate, on the other hand, is well-suited for range shooting and match rounds. It is deemed to be a universal twist as it can control bullets in an AR pretty well. It works wonders with lightweight supersonic ammo.


Look, we need to emphasize the objective here more than anything. You must decide what kind of usage your 300 BLK will undergo. Frankly speaking, we must tell you that if you use a faster twist rate, your barrel tends to wear quickly as well.

This is a downside and you must keep this in mind. This is exactly why we ask to you select what kind of shooting you are into as that will decide the fate of the longevity of your barrel. This will help you choose the best twist rate for 300 blackout for sure.


When it comes to accuracy, we must confess that there is no “one size fits all” for it. The fact is, the twist needs to fit into the components of the barrel you are using. If the rate is slow, it will not spin enough and this may create destabilization. 

Now, this can be resolved by opting for BLK 300 1-7 or 1-8 twist. Since, the market does not have a comprehensive twist that may fit into all, these are your best options.


Alright, now you must comprehend this statistic that the weight of the bullet and the twist rate are interlinked. There is a correlation between the two and also the length of the bullets. You need to one thing that the longer the bullet is, the heavier it will. The heavier it is, the faster the twist rate will be. 

Again, you must not forget that you need stability to reach your target. Yes, if you want to make every shot count, then you must grasp the fact that adding spin to a projectile makes it stable and precise. 

The crux of the matter lies in the verity that heavier bullets offer you deeper penetration. While, the lighter ones bring you a straight and speedy trajectory. This is required for long-range shooting. 


This brings us to the stabilization of your bullet that has to be accurate. It is needless to say that the best twist for 300 blackout has to be stable. For this, you need a twist rate that is faster because this will directly have an impact on your accuracy.

It is like throwing a ball with a spin because it will be accurate and will have more chances of lodging in its destination.

Frequently Asked Questions [FAQ’S]

What Is The Best Twist Rate For 300 Blackout?

We have found that the BLK 300 1-7 and 1-8 twist rate are the best. If you are going to shoot subsonic targets with heavier projectiles, then the 1-8 twist rate is ideal for you. On other hand, if you are into shooting loads that are supersonic and light in weight, then a 1-7 twist rate is well-suited for you. 

We have found this with many tests and observations. These are written blindly from another source as we go out into the wild, shoot, hunt, or in short, keep at it. Hence, we learn what we practice and then pen it down here. We hope to have answered this part with clarity based on that at least.

What Grain Bullet Is Best For 1 In 8 Twist?

You know what twist rate is very important, even more than the barrel length. In fact, barrel length is not at all that significant. See to it and then decide when we say that – 1:8 stabilizes a bullet with 80 grains.

Yes, we know that is a lot to take if you are a beginner, but we advise you to let it sync in slowly. There is no hurry when you are learning as this is the best time. This will give lend a fair understanding of how things work.

What Grain Bullet Is Best For 1 In 7 Twist?

Ans. So, you want to more about the 1:7 twist rate. We must tell you that 1:7 is quite the opposite of 1:8. It will stabilize heavier and long-caliber bullets (aerodynamic) with 90 grains. This is very much required long-range shooting. 
This is why we ask you to consider what you are about to shoot. That will undoubtedly, help you take a call. 

You may be thinking that there is so much to learn and all this may get overwhelming at times. Nevertheless, we must say that shooting is fun, be it hunting, plinking, or range shooting, you will always enjoy it. It is a passion that is hard to give up on and only people that share this desire will know it. Again, go slow and take things slowly, it will not come to you at once.

It took us time and may be a few of us were fortunate enough to have grandparents and parents who taught us the basics. Not a problem, it will come around for you too. Just give it some time. 


The bottom line is, 300 blackout 1-7 vs 1-8 twist argument will never end. It is something that you will have to figure out on your own. That is to say, you need to find your comfort zone with the kind of hunting, shooting, or plinking you are into.

Our #1 Recommendation

300 blackout 1.7


Cartridge: 300 AAC Blackout

Contour: M4

Finish: Black

Length: 16″

Shane Watson is a Co-Founder veteran. He had served the forces for years and that makes him quite an expert. His years of handling guns of all kinds made him not only a gun enthusiast but a thoroughly experienced one too!

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