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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.223 vs 5.56 Chambers - HUGE bullet jump?
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<blockquote data-quote="whitely" data-source="post: 453786" data-attributes="member: 5167"><p>Have a look at this page (<a href="http://www.6mmbr.com/223Rem.html" target="_blank">223 Rem + 223 AI Cartridge Guide</a>). There is also a link to the sierra loading guide for the AR. I have a 20" RRA upper, and with the 69 gr match kings, I can shoot 1/2" groups without too much trouble. I have an 8" twist, so the 60-70 gr bullets work fine. I have also found some good loads with the 53 gr bullets, both boattail and flat base.</p><p></p><p>One of the things I love about shooting the AR at varmints is that you can load a 20 round magazine up, and get in a good position for many shots without having to manipulate anything (bolts). Makes for quick follow up shots on those crowded mounds.</p></blockquote><p></p>
[QUOTE="whitely, post: 453786, member: 5167"] Have a look at this page ([url=http://www.6mmbr.com/223Rem.html]223 Rem + 223 AI Cartridge Guide[/url]). There is also a link to the sierra loading guide for the AR. I have a 20" RRA upper, and with the 69 gr match kings, I can shoot 1/2" groups without too much trouble. I have an 8" twist, so the 60-70 gr bullets work fine. I have also found some good loads with the 53 gr bullets, both boattail and flat base. One of the things I love about shooting the AR at varmints is that you can load a 20 round magazine up, and get in a good position for many shots without having to manipulate anything (bolts). Makes for quick follow up shots on those crowded mounds. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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.223 vs 5.56 Chambers - HUGE bullet jump?
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