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 )

rear, to take in the rear

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