Wolf 5.56 primers? What gives?


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Fatelvis
August 12, 2010, 10:00 PM
Wolf states that the 5.56 primers are for .223 rem/5.56 Nato loading. They are slightly hotter than thier SR Magnum primers. I wasn't aware loading for my AR required "extra hot" primers. Are they necessary? Thanks-

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NRA-Highmaster
August 12, 2010, 10:06 PM
In a word, nope.

Canuck-IL
August 12, 2010, 10:33 PM
They're not just hotter, the cup is harder and, yes, that matters. The regular SR are really soft. Personally, I've seen no difference between the Mag SR and the 5.56M SR.
/Bryan

Randy1911
August 13, 2010, 02:42 AM
The harder cup is to help prevent slam fires in AR's. That is the big difference.

Walkalong
August 13, 2010, 07:15 AM
Some ball powders benefit from a "hotter", or "mag" primer, but it isn't an absolute necessity, and it has nothing to do with caliber until you get to the great big cases of slow burning stuff, which can really benefit.

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