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Firearms Terminology

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Questions and Answers

What is the term for the interior portion of the barrel?

Rifling
Chamber
Bore (correct)
Cal

What is the purpose of rifling in a barrel?

To increase the velocity of the bullet
To reduce the weight of the barrel
To decrease the accuracy of the weapon
To provide spiral grooves for bullet stabilization (correct)

What is the 'cold barrel zero' in the context of sniping?

The average of multiple shots fired
The first shot fired after the rifle has warmed up
The exact impact of the very first round fired (correct)
The shot fired after the rifle has cooled down

What is the 'cal' in relation to the barrel?

The standard diameter of the bore, excluding rifling grooves (D) Signup and view all the answers

What is the 'axis of the barrel'?

An imaginary line through the center of the bore from breech to muzzle (B) Signup and view all the answers

What is the 'line of fire'?

The direction from the muzzle of the weapon to the target (A) Signup and view all the answers

What is 'jump' in the context of firing a weapon?

The angle in the vertical plane between the line of departure and the axis of the bore (D) Signup and view all the answers

What is the 'field of fire'?

Areas that are relatively free of obstructions into which a firer can fire (C) Signup and view all the answers

What is 'MV' in the context of firing a weapon?

The velocity of the projectile as it leaves the muzzle (A) Signup and view all the answers

What is the 'chamber' in relation to the barrel?

The rear portion of the barrel that holds the cartridge (C) Signup and view all the answers