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AIAT 308 factory barrel: 168 ELDM or 178 ELDM?

Kevin1

Sergeant
Full Member
Minuteman
Apr 26, 2011
526
143
Allen, TX, USA
I was getting similar (better?) performance with my 223 and those 75 gr ELDM than my 308 with 175 SMKs....So I sold all my 175 SMK bullets. Truth be told, I was shocked when I realized than the 175 SMK bullet has become obsolete!

On the AIAT I shoot mostly the 147 ELDM from a 260 barrel. But I still have the factory 308 barrel (1/12 twist walther ) and would like to develop new load that would perform better than those 175 SMK.

So what would you recommend? 168 or 178 ELDM?
 
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My AT, same barrel, 20" is shooting very well with Berger 180's. I'd try the 178..