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<blockquote data-quote="Buck Fever" data-source="post: 1942579" data-attributes="member: 113501"><p>I have an American Rifle Company Archimedes action which is a three lug CRF action. Its extractor is not quite as big as a Mausingfield or a Mauser but it is still big and it has a pivoting bolt handle that uses your backward pull on the bolt handle for primary extraction rather than the upward bolt lift.</p><p></p><p>The reason why that is really cool is that it allows you to use stronger muscles for the extraction, the extractor does rotate but not while it is extracting and the extractor is still stronger than a case rim, it will extract any stuck case unless it's stuck so hard that the case rim tears off from the force.</p><p></p><p>If the magazine is tuned properly the CRF takes care of getting the cartridge in, the big extractor takes care of getting it out and the unique primary extraction is extra insurance against stuck cases.</p><p></p><p>It also has a Springfield style ejector, a very robust bolt stop that will never fail, integral recoil lug, a keyed scope rail, toroidal locking lug surfaces and probably more that I'm forgetting.</p><p></p><p>The only downside is a more complicated bolt but if you take it apart, there is no obvious weak spot, the bolt head and bolt handle are both connected to the bolt body with large pins and the bolt handle goes through the bolt body. I can't imagine how the bolt would break unless it was a bad spring or firing pin tip, the same type of risk every bolt has...</p><p></p><p>Best is a matter of preference but since I have my Archimedes, I'm going to judge everything else by that standard.</p></blockquote><p></p>
[QUOTE="Buck Fever, post: 1942579, member: 113501"] I have an American Rifle Company Archimedes action which is a three lug CRF action. Its extractor is not quite as big as a Mausingfield or a Mauser but it is still big and it has a pivoting bolt handle that uses your backward pull on the bolt handle for primary extraction rather than the upward bolt lift. The reason why that is really cool is that it allows you to use stronger muscles for the extraction, the extractor does rotate but not while it is extracting and the extractor is still stronger than a case rim, it will extract any stuck case unless it's stuck so hard that the case rim tears off from the force. If the magazine is tuned properly the CRF takes care of getting the cartridge in, the big extractor takes care of getting it out and the unique primary extraction is extra insurance against stuck cases. It also has a Springfield style ejector, a very robust bolt stop that will never fail, integral recoil lug, a keyed scope rail, toroidal locking lug surfaces and probably more that I'm forgetting. The only downside is a more complicated bolt but if you take it apart, there is no obvious weak spot, the bolt head and bolt handle are both connected to the bolt body with large pins and the bolt handle goes through the bolt body. I can't imagine how the bolt would break unless it was a bad spring or firing pin tip, the same type of risk every bolt has... Best is a matter of preference but since I have my Archimedes, I'm going to judge everything else by that standard. [/QUOTE]
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