Barrel
The metal tube through which a projectile travels when a firearm is fired; length and rifling affect accuracy and velocity.
Related Terms
Action (Firearm)
The mechanism that loads, fires, and ejects cartridges (e.g., bolt, pump, lever).
Read MoreMuzzle Velocity
The speed of a projectile as it exits the barrel, measured in feet per second (fps); higher veloc...
Read MoreSighting-In
Adjusting firearm sights or a scope so that the bullet hits the intended point of aim at a chosen...
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