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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why is .284 called a true 7mm?
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<blockquote data-quote="J E Custom" data-source="post: 1877791" data-attributes="member: 2736"><p>A true 7 mm bullet, measure 0.2755 inches so there are no true 7 mm bullets and cartridges, just some that are called 7 mm.</p><p></p><p>The 270 Winchester is one that is very close @ .2770 diameter and the relatively new 6.8 spc also uses the .277 diameter bullets, but they named it the 6.8 SPC which is actually .2677 dia, when actually 6.8 mm is not 2770 but uses that bullet diameter.</p><p></p><p>It does get confusing, but whats new. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite12" alt="o_O" title="Er... what? o_O" loading="lazy" data-shortname="o_O" /></p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1877791, member: 2736"] A true 7 mm bullet, measure 0.2755 inches so there are no true 7 mm bullets and cartridges, just some that are called 7 mm. The 270 Winchester is one that is very close @ .2770 diameter and the relatively new 6.8 spc also uses the .277 diameter bullets, but they named it the 6.8 SPC which is actually .2677 dia, when actually 6.8 mm is not 2770 but uses that bullet diameter. It does get confusing, but whats new. o_O J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why is .284 called a true 7mm?
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