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argentina primers
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  1. The Ammo & Reloading Forum
    Tested recent available Argentina SP Primers. IMO they are as good as others if not better. Testing parameters: Caliber: 357Mag 18.5" Carbine Rifle Brass: Starline new sized and trimmed to length Bullet: Nosler HP 158 grain Power: Ramshot True Blue @ suggested starting weight of 8.5 grains...
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