прицільна планка; прицільна рамка
folding sight leaf
rear-sight leaf
rear-sight leaf spring
back-to-back circuit
back-to-back connection
back-to-back radio stations
back-to-back relay
leaf spring
circular leaf spring
clover-leaf crossing
clover-leaf layout
folding leaf spring
rebound leaf of the spring
fire leaf
back-sight drum
backsight slide; back-sight slide
back sight
front sight (fore / muzzle sight)
sight, to take a (careful) sight
day-sight (day sight)
modular integrated display and sight helmet (Modular Integrated Display-And-Sight Helmet)
back-up fire control
back-up system
cut back co-operation
I read back
play back kit
pull back
push back
read back
reverse engineering ( back- wards engineering)
Camel-back water pouch
Field Pack, Air Support Back