slide

backsight slide; back-sight slide

feed block slide (feed-block-actuating slide)

slide rule

retractor slide

elevating slide

air slide valve

barrel slide

blocking slide

elevation slide nut

slide valve

escape slide

surface of slide

rear-sight slide cap

nautical slide rule

curve-slide sight

slide down a rope

slide hammer dent puller

radiation slide rule

death-slide

lock the slide/bolt in the OPEN position

pull back the slide or bolt