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what is the bolt action mechanisim? Answered

making a gun

Tags:knex

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Bolt action chambering was the first and is still the most popular form of "chambering" a round. Chambering a round, as far as K'nex gunning goes, is when a round is loaded into the barrel separate from the magazine or wherever it was stored. This is done to give a repeater more range.

Specifically, the bolt action chambering method uses a second "barrel" per se where the rounds load. A bolt is pulled back which has a bolt pin in the second barrel. This lets a round into it, and then it cocks the main barrel pin. When you push the bolt back, the bolt pin forces a round forward, up a ramp, and then into the barrel.

http://knexinnovation.net/showthread.php?542-Zak-s-Bolt-Action-ZKAR-Follow-Up

That's probably the most popular example.