Q: Is a rifling often described by its twist rate, which indicates the distance the rifling takes to complete one full revolution, such as "1 turn in 10 inches" , or "1 turn in 254 mm"? ¶
A: Yes, A shorter distance indicates a "faster" twist, meaning that for a given velocity the projectile will be rotating at a higher spin rate.
Q: Was a rifling invented in Augsburg? ¶
A: Yes, and Germany at the end of the fifteenth century.
Q: Is a rifling handled by the throat of the chamber? ¶
Q: Is a rifling eroded through repeated rifling engagement? ¶
Q: Is a rifling a constant rate down the barrel? ¶
A: Yes, and usually measured by the length of travel required to produce a single turn.
Q: Is a rifling currently seen on pistols from CZ? ¶
A: Yes, and Heckler & Koch, Glock, Tanfoglio, and Kahr Arms, as well as the Desert Eagle.
Q: Is a rifling to deliver the projectile accurately to the target? ¶
Q: Was a rifling used as early as the American Civil War? ¶
A: Yes, Colt Army and Navy revolvers both employed gain twist rifling.