bourrelet
Noun
Meaning
bourrelet (plural bourrelets)
(firearms, weaponry) An accurately machined portion around the diameter of a shell of a gun, which acts to increase accuracy of projectile fit to the barrel.
Noun
bourrelet (plural bourrelets)
(firearms, weaponry) An accurately machined portion around the diameter of a shell of a gun, which acts to increase accuracy of projectile fit to the barrel.