groove diameter

groove diameter

[′grüv dī‚äm·əd·ər]
(ordnance)
One of the two diameters of a rifled barrel; it is measured between two grooves that are diametrically opposed.
References in periodicals archive ?
Keys to revolver accuracy with lead bullets were the bullet had to be as large as the chamber mouth of the cylinder and the chamber mouths of the cylinder had to be as large as groove diameter of the barrel.
Following this deep drilling and reaming, the rifling grooves will be formed, resulting in the groove diameter essentially the same diameter as the bullet.
277-inch was its groove diameter and consequently the diameter of its bullets.
Grooves are deemed to be oversize when the groove diameter exceeds the nominal rope diameter by more than 15% in steel or 20% in polyurethane liners.
I was under the impression that the barrel groove diameter for these revolvers was right at .
0 caliber diameters, enlarges the entrance diameter to slightly more than groove diameter, and employs a gentle 1.
Due to what appear to be intentional mismatches between bullet diameter and barrel groove diameter, accuracy of the Model 1903 is not very exciting.
I size conical bullets to the groove diameter and spherical balls .
For this reason, the initial intension of wear evaluation by measuring the groove diameter was changed to gravimetric evaluation.
The diameter measured to the outside of the blade determines the limit for the smallest possible diameter which can be machined, and the diameter measured to the inside of the blade determines the limit for the largest possible groove diameter.