vertical wedge-type breech mechanism

wedge-type breech mechanism

vertically-operated wedge-type breech mechanism

wedge-type breech-block

horizontal sliding wedge-type breech

wedge-type

wedge-type breechblock

breech mechanism

lever breech mechanism (LBM)

breech mechanism lever

breech mechanism lever retaining catch

breech-mechanism lever

breech-opening mechanism

unlocked breech mechanism

handle of breech mechanism lever

vertical sliding breech-block system

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

percussion-type firing mechanism

drive a wedge

wedge breechblock

wedge formation

side cap; garrison / flight cap (US); wedge cap (Canada); field service cap (UK)

fire team wedge

adjuster wedge recess

adjuster wedge

breechblock wedge

correction wedge scale

correction wedge shaft

deflecting wedge

deploy into a wedge formation

drive wedge

expanding-wedge brake

horizontal sliding wedge breechblock