The principal to account for the steadiness of flight conferred upon an elongated projectile.
Letter: B
BULLET TIPPING
The instability of a bullet in flight in which the point of the bullet is not aligned with the direction of flight.
BULLET TRAP
A device to safely stop a bullet in flight. Usually found in indoor ranges behind the target area.
BULLET UPSET
1. In Interior Ballistics: The change of bullet form due to chamber pressure. 2. In Exterior Ballistics: The expansion of a bullet upon impact with target.
BULLET WOBBLE
A characteristic caused by the eccentricity or imbalance of the bullet to the axis of the bore. See Yaw.
BULLET-PUSH
The force required to shorten a cartridge by pushing on the bullet.
BULLSEYE
In target shooting, the aiming point.
BUTT
1. Handguns: Bottom part of the grip. 2. Long Guns: Rear or shoulder end of the stock.
BUTT PLATE
A metal, rubber or composition covering to reinforce and protect the shoulder end of a firearm stock.
BUTT STOCK
The rear or butt end of the firearm which is normally placed against the shooter’s shoulder.