The Thompson Center System One barrel twist refers to the specific rifling design used in the barrels of the Thompson Center firearms, particularly in their interchangeable barrel systems. This twist rate typically varies depending on the caliber and intended use of the firearm, influencing bullet stabilization and accuracy. A consistent and optimal twist rate is crucial for achieving the best performance with different types of ammunition. The System One design allows for versatility in barrel options, making it popular among hunters and competitive shooters.
1:38
Most black powder bores have a twist that is relatively slow. Say 1:36 or 1:50. They were 1:48 twist in 45 and 50 caliber
1-7 barrel tw = -6
The Browning 2007 Product Catalog states that the A-Boltchambered for 25WSSM with a 22" barrel has a 1 in 10" rate of twist.
I own a London Fine twist double barrel shotgun in fair condition, it was rated at $100.
twist is 1:9
fine twist london
Rifling imparts spin that stabilizes the projectile. The rate or "twist" determines how much
It should be stamped on the barrel
In relation to firearms, it has to do with the rate of rifling in the barrel. Rifling is the spiral grooves that puts a spin on a bullet to increase it's accuracy. "Barrel twist" is the rate of spiraling or inches per turn. That is the length of barrel it takes to spin the bullet a full 360 degrees.
Impossible to answer without knowing the caliber.
the rate of twist i probably 9" or 1 in 9" not to sure.