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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6mm ARC vs 6.5 Grendel
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<blockquote data-quote="264MHC" data-source="post: 1930393" data-attributes="member: 111161"><p>No doubt about different barrels coming into play. My 6mm is a .243 LBC BHW barrel with 3p rifling, the 18" 6.5 was a 5R Xcaliber, and my 16" is a 5R Faxon melonite. The Faxon barrel is running considerably slower than expected. With the same lot of 123 ELDM, Same lot of AR Comp, Same lot of Fed 205MAR Primers, and the same hornady brass, it is running only 2340 at the same charge and OAL. I would be pretty disappointed except for the fact that it shoots this load consistently under .5 MOA with an SD of 6 and ES of 12 over the last 10 rounds I tested. This is with a 1-6 Scope at 100 yards.</p></blockquote><p></p>
[QUOTE="264MHC, post: 1930393, member: 111161"] No doubt about different barrels coming into play. My 6mm is a .243 LBC BHW barrel with 3p rifling, the 18" 6.5 was a 5R Xcaliber, and my 16" is a 5R Faxon melonite. The Faxon barrel is running considerably slower than expected. With the same lot of 123 ELDM, Same lot of AR Comp, Same lot of Fed 205MAR Primers, and the same hornady brass, it is running only 2340 at the same charge and OAL. I would be pretty disappointed except for the fact that it shoots this load consistently under .5 MOA with an SD of 6 and ES of 12 over the last 10 rounds I tested. This is with a 1-6 Scope at 100 yards. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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6mm ARC vs 6.5 Grendel
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