Letter: S

1. A stock with no pistol grip also known as an English Stock. 2. A “Cast-Neutral” Stock.

An electronic device to measure stress and strain in mechanical devices.

A screw which bears against a leaf spring and by its movement in or out will change the tension of the spring.

A spring-driven rod-like firing pin, or a separate component which impacts the firing pin, which travels in a linear path to strike the primer.

The velocity of a projectile at the point of impact.

To disassemble a firearm in order to clean, repair or transport it. “Field stripping” is simple disassembling for cleaning; “detail stripping” is a complete disassembly of the firearm into it’s components.

A receiver or frame of a firearm from which all parts have been removed.