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AFTE Knowledge and Ability Factors

Home > Propellants, Firearms, and Ammunition Development >AFTE Knowledge and Ability Factors
73. Knowledge of historical development of firearms design
75. Knowledge of muzzleloading firearms designs, including ignition systems and loading techniques
76. Knowledge of breechloading firearms designs, including falling breechlocks (falling block action), bolt actions, lever actions, (slide)/pump actions, break-open (top break) semiautomatics (blowback, gas operated, recoil operated, etc.), revolvers--double and single action
77. Knowledge of firearms ignition systems: flintlock, percussion, rimfire, centerfire, caseless ammunition
81. Knowledge of the proper operation of the different types of firearms encountered in casework
85. Knowledge of propellants:  physical forms and associated purposes of small-arms propellants; black gun powder and Pyrodex; nitrocellulose propellants, both single and double base
86. Knowledge of projectiles: design (ogive shape, base shape, cannelure types, forming processes); construction and composition (lead alloy compositions, jacketing materials, and styles, etc.)
87. Cartridge cases: design (i.e., rimfire, centerfire, Boxer/Berdan priming systems); compositions (copper, brass, steel, aluminum)
89. The history/development of ammunition components: cartridge naming system; alternate names; interchangeability
90.  Knowledge of shotshell: design, construction, and nomenclature; shot sizes and composition (hardened lead, plated steel, etc.); wad design and types of filler (buffering) materials
92. Knowledge of ammunition components
98. Knowledge of internal ballistics: ignition, pressure, function of chamber design, chamber and cartridge dimensions, headspace considerations
24. Ability to determine the design of the lockwork (firing system) in firearms 
26. Ability to determine the design type, method of operation and ignition of a submitted firearm
30. Ability to recognize the effect that firearms and ammunition manufacturing processes, the design of firearms, and design of firearms accessories have on markings imparted to bullets and casings and their interpretation
39. Ability to recognize, compare, and identify various ammunition types and components

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