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.260aar

  1. Gunsmithing
    Hi, I'm posting this problem in several forums where I've seen mention of the .260AAR - All Around Rifle (AKA 6.5 Jap Ackley Improved, 6.5-257 Ackley Improved, 6.5 AAR) and possibly others. The cartridge is formed from either .257 Roberts expanded to 6.5mm, and then fire formed in the chamber...
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