ATF

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Bureau of Alcohol, Tobacco, Firearms and Explosives
Firearms

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Terminology & Nomenclature

Slide/Pump Action

Note: The Slide/Pump action is utilized in the design and function of rifles and shotguns. This illustration exhibits the primary characteristics of a rifle but most component parts are applicable in a revised configuration to the Pump/Slide Shotgun category.

A diagram showing various parts of a slide/pump action weapon and their defined names: the buttstock, forearm, ejection port, etc.

Group Callout Schedule [a]

Group

Description

Group (1)

Three magazine configurations available on this type action.
A-Hinged, B-Detachable, C&D-Tubular (Front and Rear)

Group (2)

Four various safety configurations which may appear on the available models.
A-Crossbolt (front or rear), B-Top Tang

Group (3)

Two buttstock appointments available in this group.
A-Recoil Pad, B-Buttplate

Group (4)

Two barrel configurations which may appear on this type action.
A-Smooth Bore, B-Rifled

  1. Group callouts identify various configurations of a specific component which may be incorporated in the function of the various models employing the bolt action in their design. However, only one type component from each callout group will appear on any given subject firearm.