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12/21/2008 6:09:59 AM EDT
I have always used CCI 400's and 450's but they're getting scarce. I can buy 15,000
CCI 41's. How does this compare? I would definitely work up load's as I always do
but is the 41 the same brissance as the 400 or 450? I use pretty much H335 and Varget. Thanks for any direction and info
Midlength
12/21/2008 6:13:28 AM EDT
[#1]
Your answer lies here

http://www.cci-ammunition.com/products/primers/primers_prod.aspx?id=30
12/21/2008 6:24:05 AM EDT
[#2]
Be careful working up loads with the CCI 41, it will show no signs of pressure compared with a CCI 400 or even thicker cupped primers like the CCI 450, the case head will be all you have to work with.
12/21/2008 6:24:32 AM EDT
[#3]
Thanks rn, tells me what I need to know.
Midlength
12/21/2008 7:16:02 AM EDT
[#4]
As you will see in the link provided above, in addition to affording some additional protection against slam-fires, the milspec primers also ignite more reliably in cold temps, and produce about as much flame as a Magnum primer of the same size.  You WILL need to reduce powder charge a little to obtain the same (safe) MV.
12/21/2008 8:13:30 AM EDT
[#5]

 CCI # 41 is a very good primer, I have used them for years with no problems

 As stated ubove they are a magnum primer

 They work very well with Varget
12/21/2008 10:04:02 AM EDT
[#6]
Quoted:
 CCI # 41 is a very good primer, I have used them for years with no problems

 As stated ubove they are a magnum primer

 They work very well with Varget



With all due respect, the mil-spec primers are NOT Magnum primers.  Their flame propagation is like that of Mag primers, but they are constructed so as to reduce the chance of a slam-fire, and their low-temp relaibility is enhanced.

A Mag primer is a standard primer with enhanced flame propagation, but minus the other features of the mil-spec primers.
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