діоптричний постійний приціл
cylinder block (engine block)
feed block slide (feed-block-actuating slide)
peep rear sight
peep-sight
peep-sight door
tang peep sight
peep
peep rear sight with locking device
peep-mounted
peep sight
block diagram
block face
block supplies
locking block
TNT block
breech block pivoted below the level of the chamber
disrupt, fix, turn or block the enemy force
all-round vision block
back on the block
block off
direct vision block
surveillance vision block
trunnion block
vision block
advanced building-block for large-area exploitation
basic building block
basic building block module
building block
building block approach
building block organization concept
building-block concept
building-block construction