Letter: B

A firearm built with an extra-thick, heavy barrel, used primarily for target shooting or varmint hunting.

A shoulder-fired firearm in which the action is behind the fire control system.

A non-spherical projectile for use in a rifled barrel and sometimes contained within a sabot.

A process for making lead bullets by pouring molten metal into a mold.

The inner section of a jacketed bullet, usually lead.

The movement of a bullet out of the cartridge case due to the recoil of the firearm (and the inertia of the bullet) when firing another cartridge in the firearm.

The maximum dimension across the largest cylindrical section of a bullet.

1. The difference between the bullet’s vertical position relative to the bore axis at any given point in its flight.

2. In ballistic performance tables, the deviation from the line-of-sight and the bullet’s position at any given point in its flight. In this usage, knowledge of the distance at which the sighting device is adjusted to yield a deviation of *zero* (“sighting-in” range) must be known.

1. The grooves cut into a bullet by barrel rifling. 2. The forming of grooves in a bullet by the barrel rifling.

A separate layer in a bullet’s construction on at least the portion of the bullet engaging the firearm’s rifling.