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300 Blackout 1-7 VS 1-8 Twist — Which Is Better?

When assembling a 300 Blackout chambered rifle, most people fall short by choosing the wrong component when it comes to the barrel type by twist, especially between the 300 Blackout 1-7 and 1-8 Twist. This is why it is important to do your research right. Thankfully, our experts are here to help — read our analysis below.

300 Blackout 1-7 and 1-8 Twist

Best for Active Purposes
300 Blackout 1-7 Twist
Best for High Power Rounds Shooting
300 Blackout 1-8 Twist
300 Blackout 1-7 Twist
300 Blackout 1-8 Twist
It is the most common twist for the 300 Blackout. It runs bigger grains more efficiently. It produces low recoil and also feeds well from the chamber automatically. It also processes great ballistics.
Able to fire slightly bigger rounds, it is also cheaper to buy. It is suitable for selective and short-range shooting, and it fires well when not run as semi-automatic.
Best for Active Purposes
300 Blackout 1-7 Twist
300 Blackout 1-7 Twist
It is the most common twist for the 300 Blackout. It runs bigger grains more efficiently. It produces low recoil and also feeds well from the chamber automatically. It also processes great ballistics.
Best for High Power Rounds Shooting
300 Blackout 1-8 Twist
300 Blackout 1-8 Twist
Able to fire slightly bigger rounds, it is also cheaper to buy. It is suitable for selective and short-range shooting, and it fires well when not run as semi-automatic.

Features Comparison:
300 Blackout 1-7 and 1-8 Twist

The 300 Blackout 1-8 VS 1-7 twist argument is a less explored topic. Most 300 Blackout rifle owners settle for the 300 Blackout 1-7 twist, with the 1-8 twist being the less popular choice. Considering this, we compare and contrast the two twists to see if there is any justice to this assumption.

1-8 and 1-7 Twist Size and Dimensions

The 1-7 twist 300 Blackout barrel has a length of 10.3 inches. This allows for a single twist of the bullet through 7 inches of barrel twist line.

The 1-8 twist 300 blackout barrel is 16 inches long. However, the bullet takes a longer spin in the barrel before ejection and a single spin through 8 inches of barrel.

Either barrel can vary in length, but the 1-7 twist for 300 Blackout provides more stability, accuracy, and tolerance.

Winner: 300 Blackout 1-7 Twist

Weight and Balance

The 300 Blackout 1-7 twist has a smaller twist ratio and is thus tested to fire more massive 300 Blackout rounds fed automatically from the magazine [1]. The barrel offered the M4 carbine test rifle more stability and less recoil.

Black airsoft rifle on a black tire

The 1-8 300 Blackout twist has a higher twist ratio, which allows the rifle to fire slightly longer rounds fed manually and directly into the chamber. However, the 1-8 twist gave a higher amount of kickback and less rifle stability.

Winner: 300 Blackout 1-7 Twist

Design of 1-8 and 1-7 Twist

The 1-8 twist is designed to fire bullets of up to 80 grains in size. This barrel twist design allows your bullet to make a complete rotation in 8 inches travel, a slightly higher twist ratio with less ballistics. Nevertheless, it fires well and is bearable.

The 300 Blackout 1-7 twist is intended to stabilize rounds that go as high as 90 grains. It is designed to spin the bullet once in 7 inches of travel through the barrel. This is a lower ration, and thus provides for more raging, stability, and accuracy.

Winner: 300 Blackout 1-7 Twist

Ballistics Comparison

The 300 Blackout 1-7 twist rifle was tested by our team downrange with adequate mechanisms to get a record of its ballistics, firing a 78 grains 300 Blackout bullet. The barrel was able to acquire a bullet fire ballistics of 2,800 feet per second.

Black rifle on a black plastic case

The 300 Blackout 1-8 twist barreled rifle, on the other hand, fired the same grain bullet and clocked a ballistic speed of 2,430 feet per second. The results have made the difference in the ballistics of both barrel twists very clear.

Winner: 300 Blackout 1-7 Twist

Recoil

300 Blackout 1-7 twist allows faster bullet spin through the barrel. This enhances efficiency and travel through the barrel and out. Hence, the 300 Blackout 1-7 twist barrel produces a relatively lower recoil.

The 300 Blackout 1-8 twist allows the bullet to make a full rotation in 8 inches of barrel travel. This a smaller rotation compared to the 300 Blackout 1-7 twist. Thus, the 300 Blackout 1-8 twist produces higher recoil due to less efficient movement of the bullet through its barrel.

Winner: 300 Blackout 1-7 Twist

Power 300 Blackout 1-7 VS 1-8 Twist

The 300 Blackout 1-7 twist fired bullet was measured to pack a total energy of 1,362 ft-lbf. The rapid bullet rotation allowed the generation of more speed, which is required in the measurement of energy delivered.

The 300 blackout 1-8 twist, on the other hand, packed a total energy of 1,155 ft-lbf. This twist did not get as much energy due to the lower speed its bullet generated. Speed is an important factor in determining the amount of energy it delivers when fired and upon impact.

Winner: 300 Blackout 1-7 Twist

Price Comparison

There could be controversy on these two barrels’ prices, depending on barrel length, material, and shop. However, there are no many differences in their prices.

On an average, the 300 Blackout 1-8 twist barrel is a couple bucks cheaper than the 300 Blackout 1-7 twist barrel of equal size.

Winner: 300 Blackout 1-8 Twist

FAQ

What is the best twist for 300 Blackout?

The best twist for the 300 Blackout is the 300 Blackout 1-7 twist. This twist offers faster bullet rotation, impressive ballistics, low recoil, and better automatic performance.

Overall Winner: 300 Blackout 1-7 twist

300 Blackout 1-7 Twist

Our experts find the 1-7 twist to be the best twist for a 300 Blackout, particularly for more functional purposes. The 300 Blackout 1-7 twist will give you a combination of speed, power, low recoil, accuracy, and good ballistics so that you can be on top of your game.

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