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Tennessee Gun Owners Forums
Rifles
7.62mm
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<blockquote data-quote="Hunter 257W" data-source="post: 5024239" data-attributes="member: 12277"><p>I've never been all that interested in military semi-autos so don't recall the exact chamber dimension differences but firing any cartridge in a chamber that it fits loose into will LOWER pressures rather than raise them compared to a tight fitting chamber. The case can expand freely to fill the loose chamber, the same amount of gas working inside a larger volume chamber gives lower pressure.</p></blockquote><p></p>
[QUOTE="Hunter 257W, post: 5024239, member: 12277"] I've never been all that interested in military semi-autos so don't recall the exact chamber dimension differences but firing any cartridge in a chamber that it fits loose into will LOWER pressures rather than raise them compared to a tight fitting chamber. The case can expand freely to fill the loose chamber, the same amount of gas working inside a larger volume chamber gives lower pressure. [/QUOTE]
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Tennessee Gun Owners Forums
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7.62mm
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