Thread: .308 vs .30-06
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Old November 16, 2012, 09:30 AM   #42
Brian Pfleuger
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Join Date: June 25, 2008
Location: Central, Southern NY, USA
Posts: 17,501
CAUTION: The following post includes loading data beyond currently published maximums for this cartridge. USE AT YOUR OWN RISK. Neither the writer, The Firing Line, nor the staff of TFL assume any liability for any damage or injury resulting from use of this information.

I ran a couple loads through QuickLoad to get it's prediction. SAAMI dimensions and 24" barrel. OAL max or .308 seating depth, as appropriate.

With a 150gr Hornady SP,

Max velocity powder, RL-17
.30-06-60.6gr 3,109fps
.308Win-52.4gr, 3,029fps

With 110gr Hornady SP, Win748
.30-06, 59.3, 3,481 (max speed IMR30301 3,496)
.308Win, 52.2, 3,430fps

With 180gr Hornady SP, RL-17
.30-06-51.8gr 2790fps (Max Ramshot Hunter, 55.5gr, 2,798)
.308-47.7gr 2,752fp (max W76049.6gr 2,753fps)


Short version: There's not much difference.
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Last edited by Brian Pfleuger; November 16, 2012 at 02:45 PM. Reason: Added Caution
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