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one of us |
I couple of recent posters have suggested that CCI 200 primers seem to cause misfires compared with Federal. I thought I might change from CCI to Federal and at the same time try magnum primers. I am reloading for 8x57 and 6.5x55. Both with pretty full cases. Any good reason not to give this a go? ------------------ Richard | ||
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one of us |
YES.. you can use the mag primers BUT you need to reduce the load 2 or 3 grains and work up the load. you could experience higher pressures with the mag primers. Dave | |||
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one of us |
Federal primers are softer than CCI, and if you have a weak firing pin hit, the CCI's may not fire. | |||
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Administrator |
Richard, Have a look at our FAQ pages. I have run a test on primers with different case capacities. You might find it of interest. ------------------ www.accuratereloading.com | |||
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one of us |
Deerdogs, no problem going to a magnum primer, but all charts I have seen place the standard Federal 210 above the CCI250 in "heat". In other words, the Federal standard primer is hotter than the CCI magnum. As usual, reduce and work back up when changing components. HTH, Dutch. | |||
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<Kimmo E> |
Magnum primers are often recomended for 6,5*55 with magnum powder like Norma MRP. They are better in cold areas. | ||
one of us |
I have been using WLRM primers in my 6.5x55 for some time now. I felt it a good idea to rework the loads starting at 10% below my previous load. I have not seen any pressure signs with IMR4350 and IMR4831 right up to the previous loads. I will keep trying though! ------------------ | |||
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one of us |
When to use "magnum" primers? When they are either (1) cheaper than standards (never, unless you find a closeout), or (2) perform better (infrequent, but it happens). | |||
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one of us |
I found only magnum primers will make ball powder load shoot/ignite satisfactorily. With 8mm or 6.5mm Mauser, unless you use ball powder like Re19, Re22..etc, CCI 200 will do fine. | |||
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one of us |
Richard, No you must give this a try and you must buy from me the 800 federal magnum match primers that I have | |||
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one of us |
I follow John Barsness's suggestion in a Handloader article to use magnum primers with ball powders for cases that use a Large Rifle primer. It probably isn't necessary, but any of the resulting loads that were unsatisfactory, were so far off the velocity I was trying to reach that a cooler primer certainly wouldn't have helped! I even use CCI 250 magnum primers to light off 35.0 grains of W748 in my .30-30 and it goes 1.5-2 MOA with 170-gr. bullets from Nosler, Hornady or Sierra. John | |||
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