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Old April 8, 2013, 06:43 AM   #3
Unclenick
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Join Date: March 4, 2005
Location: Ohio
Posts: 9,991
Both powders were originally designed for 5.56 NATO/.223 Rem. The CFE223 reduces copper fouling. It may also be easier to ignite consistently, as newer deterrent coatings for spherical powders tend to be.
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