The number, width, and direction of twist of the rifling grooves in a barrel of a given caliber firearm.
A. General Rifling Characteristics
B. Gross forming
C. Groove diameter
D. Intercomparison
Answer:A
The number, width, and direction of twist of the rifling grooves in a barrel of a given caliber firearm.
A. General Rifling Characteristics B. Gross forming C. Groove diameter D. Intercomparison