rear-sight elevating knob

маховик механізму кутів прицілювання

rear-sight elevating screw knob

sight elevating knob

rear sight elevation knob

rear-sight windage screw knob

rear-sight elevating pinion

elevating screw knob

elevating handwheel (elevating hand-wheel )

elevating sight

sight elevating mechanism

rear sight aperture

peep rear sight

adjustable rear sight

height of the rear sight

folding screw adjustment rear sight

micrometer rear sight

wind-gauge rear sight

rear-sight bearing screw

rear-sight guard

rear-sight leaf

rear-sight leaf spring

rear-sight mortise

rear-sight mounting long screw

rear-sight notch

rear-sight slide cap

rear-sight thumb nut

rear-sight windage scale

peep rear sight with locking device

receiver rear sight