канал ствольної коробки
armaments race (the)
arms race
obstacle race
rat race
ball race
bearing race puller
upper ball race
bearing inner race
bearing outer race
bearing race
deceleration of the arms race
race
race of armaments
bolt assembly
bolt carrier
bolt catch
bolt latch
bolt recess
bolt-action
bolt-from-the-blue attack
drop bolt
explosive bolt (pyrotechnic fastener)
face of the bolt
bolt action repeater
axle-tree retaining bolt locking pin
bolt handle spring retaining pin
open bolt
bolt carrier assembly
bolt carrier key
bolt carrier stopper
carrier hinge bolt
key bolt