Most of the major AR makers offer one or more.
The bullet will make one full turn in 10-inches of barrel length.
Why the **** would you want that!?!?!
science, Bullet markings and check them with the rifling of the firearm. Barrel twist and or markings can help ID the gun fired from. Nothing can tell you for sure, It can just tell you it was fired from a barrel like that of a type or make.
Ir refers to number of inches of length that it takes for the spiral line of the rifling to make one complete 360 degree turn.
Twist and twist and loop
You Just Twist It More!
You Just Twist It More!
A few years either way of the turn of the century
holes
You will have to replace the barrel
To wring means to twist a cloth to make water come out.
It's genetically inherited to twist you tongue.