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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel length vs cartridge 308cal
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<blockquote data-quote="jpd676" data-source="post: 2691705" data-attributes="member: 27751"><p>That is a loaded question. It just depends. I would steer you toward the stability calculator on Berger's website. I am at 6050', shoot at 7000' and hunt up to 10K+. I have a .308, 20" with a 1/12 twist. At this elevation it shoots the 208 ELDM very well (out to 950) but didn't stabilize the 168 smk past 550 yards. Some barrels can be fast or slow. It also depends on the type of powder you can get for your loads. I tried several powders in my .308 and only got 2200 fps with the 208 bullet. I found some Reloader 17 and the low charge weight got me 2400' and one ragged hole groups. I think the 30-06 will still have the edge (100-150 fps would be my guess) but the .308 won't be far behind in what it can actually do.</p></blockquote><p></p>
[QUOTE="jpd676, post: 2691705, member: 27751"] That is a loaded question. It just depends. I would steer you toward the stability calculator on Berger's website. I am at 6050', shoot at 7000' and hunt up to 10K+. I have a .308, 20" with a 1/12 twist. At this elevation it shoots the 208 ELDM very well (out to 950) but didn't stabilize the 168 smk past 550 yards. Some barrels can be fast or slow. It also depends on the type of powder you can get for your loads. I tried several powders in my .308 and only got 2200 fps with the 208 bullet. I found some Reloader 17 and the low charge weight got me 2400' and one ragged hole groups. I think the 30-06 will still have the edge (100-150 fps would be my guess) but the .308 won't be far behind in what it can actually do. [/QUOTE]
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Barrel length vs cartridge 308cal
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