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Posted: 1/24/2004 5:19:27 PM EDT
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2 items of interest, get a drink, sit down, enjoy the read - [url]www.ammo-oracle.com[/url] Simple answer, 556 and 223 rounds are identical as far as a cartridge gauge goes---- I do drop all my 556 in a 223 gauge, elimates surprise at the range, 556 gauges same as 223. 556 has a bit more power (pressure-velocity) than 223. Basic rule is no 556 in a 223 chamber, but it is done. |
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