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Tennessee Gun Owners Forums
Rifles
Rimfire accuracy...
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<blockquote data-quote="Tenntrapper" data-source="post: 5693907" data-attributes="member: 18110"><p>I was reading about chambers over on another forum...maybe RFC. They were naming off several different chambers...what Annie uses, lilja, etc.... different chambers cut for the ammo you intend to use. Some chambers are tapered (like a funnel), some are straight walled, one made especially for the EPS bullet, wolf, lapua, etc. How much lead..bullet jam, etc. Some have so much jam(into the lands) that extracting a live round...causes issues. Even the lead angle is dependent upon which reamer is used. Even read that some have so much jam into lands, closing the bolt was difficult. So although I don't doubt that tolerance and wear are contributes... sounding like shape of the chamber is also part of the equation. Best to know what ammo you will be using, then have an appropriate chamber cut.</p></blockquote><p></p>
[QUOTE="Tenntrapper, post: 5693907, member: 18110"] I was reading about chambers over on another forum...maybe RFC. They were naming off several different chambers...what Annie uses, lilja, etc.... different chambers cut for the ammo you intend to use. Some chambers are tapered (like a funnel), some are straight walled, one made especially for the EPS bullet, wolf, lapua, etc. How much lead..bullet jam, etc. Some have so much jam(into the lands) that extracting a live round...causes issues. Even the lead angle is dependent upon which reamer is used. Even read that some have so much jam into lands, closing the bolt was difficult. So although I don't doubt that tolerance and wear are contributes... sounding like shape of the chamber is also part of the equation. Best to know what ammo you will be using, then have an appropriate chamber cut. [/QUOTE]
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Rimfire accuracy...
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