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Old February 19, 2012, 01:43 AM   #1
lovethosesooners
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Join Date: November 5, 2010
Location: DFW
Posts: 62
I just "have" to go there! .270/.308/30-06

What basis is it that so many claim the .308 is superior to both the .270 and 30-06?

I don't have anything against the cartridge and understand it's a great round, but the ballistics that I keep looking at don't bear this out.

For example, 150 grn Fusion in all 3 calibers:

Veloc Muzzle 100 yd 200 yd 300 yd 400 yd 500 yd
0.27 2850 2655 2468 2289 2117 1953
0.308 2820 2600 2391 2191 2001 1821
30-06 2900 2674 2459 2254 2059 1875
Energy Muzzle 100 yd 200 yd 300 yd 400 yd 500 yd
0.27 2706 2348 2029 1745 1493 1270
0.308 2649 2252 1904 1599 1334 1105
30-06 2802 2382 2015 1693 1413 1171
Wind Drift 100 yd 200 yd 300 yd 400 yd 500 yd
0.27 .7" 2.8" 6.5" 11.9" 19.4"
0.308 .8" 3.2" 7.6" 14.1" 23.0"
30-06 .8" 3.1" 7.4" 13.7" 22.3"
Trajectory 100 yd 200 yd 300 yd 400 yd 500 yd
0.27 1.7" 0 <7.4"> <21.5"> <43.4">
0.308 1.8" 0 <7.9"> <23.1"> <47.0">
30-06 1.7" 0 <7.4"> <21.8"> <44.3">

Seems to me that the most accurate way to make such a comparison is to use the same weight for each?

The .270 comes out the "winner" in most of these head to head comparisons.

I don't have an axe to grind, I'm just always wondering when I read these threads what I am missing?

Last edited by lovethosesooners; February 19, 2012 at 02:01 AM.
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