semiautomatic. 1. Partially automatic. 2. Ejection of the used shell and chambering of the succeeding round of ammunition after the trigger is pulled. With the rifle's selector lever on semiautomatic, the rifle will fire one round each time the trigger is pulled.
shooter error. Any action generated by the shooter that causes the weapon to fail to fire.
sight alignment. The placement of the tip of the front sight post in the center of the rear sight aperture.
sight picture. The placement of the tip of the front sight post in the center of the target while maintaining sight alignment.
stock weld. The firm, consistent contact of the cheek with the weapon's buttstock. stoppage. Any condition that causes the rifle to fail to fire.
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