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bolt action

   Also found in: Wikipedia 0.04 sec.

bolt action

Type of breech mechanism that was key to developing an effective repeating rifle. It combines the firing pin, a spring, and an extractor, all housed in or attached to the bolt. A projecting handle with a round knob moves the bolt back and forth. As the bolt is thrust forward, it pushes a cartridge into the chamber and cocks the piece. The trigger releases the spring-driven firing pin inside the bolt. After firing, the extractor on the head of the bolt removes the spent cartridge and ejects it. The bolt then moves a new cartridge from the magazine.



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Constitution's arms-bearing provision--buyers will receive a voucher redeemable for a used, bolt action rifle at GunCraft Sports in nearby West Knoxville.
Back to the Coliseum by The Progressive
Sako officials explained at a news conference that the locking system is built into the rifle's bolt action and is activated by a special key unique to each rifle.
Sako Introduces the 'Key Concept'; A New Innovation in Rifle Safety by Business Wire
the Finland-based manufacturer of world-class hunting rifles, noted that the Sako 75 is considered to be the very best bolt action rifle in the industry.
Assa Abloy Provides Lock for Innovative Sako Key Concept by Business Wire
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