"Magnum" doesn't necessarily mean hotter and varies by brand, could only be a difference in how hard the cup is. I've never run anything but CCI 250s in any of my 338/300RUMs...targets and chronograph never gave me a reason to try anything else.
"Magnum" doesn't necessarily mean hotter and varies by brand, could only be a difference in how hard the cup is. I've never run anything but CCI 250s in any of my 338/300RUMs...targets and chronograph never gave me a reason to try anything else.
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