A charge, often included in the primer and generally of black powder, which when placed in contact with the propelling charge is designed to insure maximum inflaming.
Setting fire to the powder charge.
The total equipment carried by troops in the field.
Incendiary bullet see Bullet, incendiary
Indent crimp see Crimp
Indoor range see Range
Inertia firing pin
A firing pin assembled within the breechblock and capable of moving forward or backward therein. A blow from the hammer or striker impels it forward and the explosion of the primer impels it backward.
A blow back or blow forward action
On a rifle target, the annular space, valued at three, between the two outer circles.
Instrumental velocity see Velocity
Interior ballistics see Ballistics