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The bolt action has been the most popular form of rifle action for many years, due to a large degree to the inherent accuracy the solid locking of the bolt imparts the to gun. The bolt is the bolt action is actually the breechblock and is moved forward to insert a new cartridge and rearward to eject the spent casing. The bolt action comes in to main forms: straight pull – in which the bolt is merely pushed and pulled without turning, as in the Swiss Schmidt-Rubin action. turn-bolt - in which the bolt is actually lifted to unlock the action.
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