6mmARC Article
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Thanks for link!
Quote: "Overall thoughts? We really loved the results of the 6mm ARC and found it to be extremely accurate. This is everything the 224 valkyrie was not.":: 6.5 GRENDEL Deer and Targets :: 6mmARC Targets and Varmints and Deer :: 22 ARC Varmints and Targets
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Originally posted by BluntForceTrauma View PostThanks for link!
Quote: "Overall thoughts? We really loved the results of the 6mm ARC and found it to be extremely accurate. This is everything the 224 valkyrie was not."
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I don't know too much about this stuff, but I wonder if it's the bullet. IIRC, the initial marketing was based on the 90 grain SMK. The Valkyrie's long range performance is dependent on a heavy, VLD design that, as I understand it, is very sensitive to seating depth. How do you get consistent accuracy from a host of factory barrels with such a bullet? Tuning the load to a specific barrel might produce different results.
Then look at the Hornady 6mm 105 grain BTHP. Pretty standard fare as bullet technology goes. A 'match' bullet with a tangent ogive. Anecdotally, the 6mm ARC groups I've seen from this load are generally better than those from the 108 ELDM load. Why? Same thing; target versus the VLD bullet.
This is all just musings from a guy who knows just enough to get himself into trouble. Am I right?
Edit: I also think there might have been issues around twist rate. Some barrels came with 7.5. Sierra calls for 1:7 if over 2700fps and 1:6.5 if under. I think the Valkyrie with the 90gr SMK was right on the ragged edge.Last edited by biodsl; 01-16-2021, 08:07 PM.Paul Peloquin
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