How does extractor work gun

Ejector - The ejector is attached to the gun frame and has a small ramp at the front that pushes a spent cartridge upward. Together the extractor and the ejector send the used cartridge upward and outward clearing the chamber. The above animation credit and content courtesy of Jacob O'Neal via animagraffs. How is a Cartridge Ejected from a Firearm? Recent Posts. Custom Marlin Lever Action Shotgun. Hand-built 6. Proper maintenance and operation of a firearm is paramount to the longevity of all its moving parts.

There are only a few of these parts that will actually come in contact with each and every round that is fired, and these items should be periodically inspected to prevent failure. Extractors are one of these busy little parts, and are often overlooked and taken for granted, because they do not handle any of the stress involved in actually firing the round.

An extractor just hooks on and pulls out the spent casing after all the excitement is over. On firearms such as break-action shotguns, an extractor might be fine for decades or much longer in many cases, because these are typically heavy-duty steel parts that often function as the ejector as well as the extractor.

Although failure to keep this area oiled and well maintained my cause a mishap, it will not always require replacement of the actual extractor. Secured to the side of the barrels 26 and 27, and positioned intermediate the two barrels, is a housing tube 50; although two such housing tubes 50 and 51 are used in the double-barreled embodiment chosen for illustration, only the housing tube 50 and mechanisms associated therewith will be described.

It will be understood that identical mechanism will be used in connection with the housing tube The housing tube 50 is secured such as by welding or brazing to the side of the firearm and is conveniently positioned in an intermediate position between the barrels 26 and The housing tube 50 forms a cylinder 53 at one end thereof which communicates with the interior of the barrel 27 through a gas port The cylinder 53 houses a piston 55 and piston rod 56 and is closed at the end 57 opposite the piston 55 by a split end plug The opposite end of the housing tube 50 slidably encloses an anvil 64 and also provides a slot 65 extending longitudinal and beneath for purposes that will become apparent as the description proceeds.

The anvil 64 is cylindrical and includes a slot 67 extending longitudinally thereof as well as a cylindrical bore 69 extending co-axially therewith from the face 70 and terminating at the bore bottom A sear spring 74 is positioned within the bore 69 while the slot 67 as well as the slot 65 in the housing tube 50 provide a guiding channel for a sear The sear includes a latching surface 76, a camming surface 77, a pivoting surface 78, and an operating arm The operation of the system of the present invention may now be described with particular reference to FIGS.

However, the front edge 88 of the monoblock 25 has been shown to permit reference thereto during operation of the apparatus. Referring to FIG. The sear spring 74 maintains the sear 75 in a forward position in the slot 67 of the anvil As the action of the firearm is closed, the elements of the apparatus assume the position shown in FIG.

The sear 75 slides rearwardly in relation to the anvil 64 in the slot 67 as the anvil is moved forward. It may be noted that the sear 75, while having been moved relative to the anvil has nevertheless remained in essentially the same position relative to the remainder of the firearm.

It may also be noted that the latching surface 76 of the sear 75 has not engaged the corresponding latching surface 92 of the anvil The sear 75 is supported by a sear slide and pivot bench 95 which, in the embodiment chosen for illustration, is formed integrally with the barrel.