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Breechblock
Videos
A breechblock is the part of the firearm action that closes the breech of a breech loading weapon before or at the moment of firing. It seals the breech and contains the pressure generated by the igni
A typical break-action, double-barreled shotgun
A typical break-action, double-barreled shotgun
A TOZ-17 cadet rifle chambered for .22 long rifle which has been disassembled. The bolt is locked by the bolt handle being dropped into a notch in the
A TOZ-17 cadet rifle chambered for .22 long rifle which has been disassembled. The bolt is locked by the bolt handle being dropped into a notch in the receiver.
A Mauser 98 bolt showing two locking lugs just behind the face of the bolt. There is a third "emergency" lug in front of the bolt handle, in case the
A Mauser 98 bolt showing two locking lugs just behind the face of the bolt. There is a third "emergency" lug in front of the bolt handle, in case the primary ones fail under pressure. In some designs the bolt handle itself may serve as the emergency "lug".
AR-15 bolt carriers showing multiple locking lugs on the bolts
AR-15 bolt carriers showing multiple locking lugs on the bolts
Breechloader
Videos
A breechloader is a firearm or artillery piece in which the user loads the ammunition from the breech end of the barrel. The vast majority of modern firearms are breechloaders.
Breechblock
…A breechblock (or breech block) is the part of the firearm action that closes the breech of a breech loading weapon (whether small arms or artillery) before or at the moment of firing. It seals the breech and contains the pressure generated by the ignited…
A Springfield Model 1888 rifle with its breech open.
A Springfield Model 1888 rifle with its breech open.
Three-shot experimental breech-loading cannon (burst) belonging to Henry VIII of England, 1540–1543
Three-shot experimental breech-loading cannon (burst) belonging to Henry VIII of England, 1540–1543
15th and 16th century breech-loaders on display at the Army Museum in Stockholm
15th and 16th century breech-loaders on display at the Army Museum in Stockholm
Replica of a medieval Swedish breech-loaded "cart gun" (Swedish: kärrebössa)
Replica of a medieval Swedish breech-loaded "cart gun" (Swedish: kärrebössa)