Snap cap
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A snap cap is a firearm accessory device shaped like a standard cartridge/shotshell but contains no functional components, namely the primer, propellant and projectile. It serves the same purpose as a
An assortment of snap caps of varying calibers, from left: (1st row) .22 LR, 9mm (both), .45 ACP, (2nd row) 30-06 (both), (3rd row) 12 Ga.
A pair of 12 gauge shotshell snap caps with spring-damped fake primers
Reflex
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In biology, a reflex, or reflex action, is an involuntary, unplanned sequence or action and nearly instantaneous response to a stimulus.
Snap cap
…cap in the chamber, the firearm does not fire. Here, the intent is to observe whether the shooter maintained proper trigger control (that is, did not flinch). This is often referred to as a ball and dummy drill…
Grasp reflex
An adult female dog scratching itself near Frederikshavn, 2025