| Term |
Definition |
| Takedown |
A firearm that can be separated into (at least) two subassemblies in order to make a shorter package than when put together---without tools |
| Telescopic Sight |
A telescopic sight, commonly called a scope, is an optical device used to give additional accuracy using a point of aim for firearms, airguns and crossbows. |
| Term |
Definition |
| Trajectory |
The curved path of a bullet in flight. |
| Trap |
Competitive shotgun shooting at 'clay pigeons' thrown from a single location. |
| Trigger |
The small lever on a cartridge firearm, which one pulls to cause the spring-loaded firing pin to impact the primer, causing the gun to discharge |
| Trigger Guard |
A loop surrounding the trigger of a firearm and protecting it from accidental discharge. |
| Trigger Plate |
Area under the receiver of a firearm through which the trigger is attached. |
| Trigger Weight |
The force which must be applied to the trigger for the gun to fire. |
| Trijicon Sights |
Trijicon is a company that uses tritium material, encapsulated in a vile, housed in the sight. The tritium glows under low light conditions. |
| Twist |
The spiral formed by the lands and grooves in a rifled bore; the rate of twist is generally given as a ratio. i.e., 1:10 indicating one turn in 10 inches. |
