mag primers instead of large rifle - The HuntingPA.com Outdoor Community
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post #1 of 16 (permalink) Old 11-16-2010, 09:48 PM Thread Starter
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mag primers instead of large rifle

started using large mag rifle primers instead of plain large rifle...seems to work good in my 25-06 anyone else use mag primers for non mag calibers ?
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post #2 of 16 (permalink) Old 11-16-2010, 09:53 PM
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Re: mag primers instead of large rifle

I use them for ball power and heavy loads of 4350.

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post #3 of 16 (permalink) Old 11-16-2010, 09:53 PM
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Re: mag primers instead of large rifle

could raise pressure

Alrighty then!
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post #4 of 16 (permalink) Old 11-16-2010, 10:47 PM
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Conservative with Reloading

When it comes to reloading, I always went conservative. I never was taught to go and try and invent the wheel. Use what's recommended in the reloading manual. No more and no less.
Over the decades, I've seen a few accidents caused by people attempting to push the rules, and get too much pressure.

And since it worked, I saw no reason to look for a substitute.
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post #5 of 16 (permalink) Old 11-16-2010, 11:56 PM
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Re: Conservative with Reloading

I keep it simple, and use mag primers for mag rifles, standard primers for standard calibers. There is a school of thought that you should use magnum primers with Ball powders, especialy if your charge weight is over 50 grains.

Magnum primers are used by some when catridges like the .25-06 and .270 are loaded with slower powders, like Rl-22, the various 4831s, etc. Many also use magnum primers to fine tune a load.

One thing to remeber, you need to start load development over when making the switch, starting with the lowest charges.

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post #6 of 16 (permalink) Old 11-17-2010, 01:49 AM
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Re: Conservative with Reloading

made a big difference in accuracy in 308 load mag primer gave me beeter results
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post #7 of 16 (permalink) Old 11-17-2010, 01:55 AM
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Re: mag primers instead of large rifle

Quote:
Originally Posted by BUCKSLAYER15
could raise pressure
Yep, if you go from standard to mag, you got to watch for pressure signs.

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post #8 of 16 (permalink) Old 11-17-2010, 01:57 AM
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Re:mag primers instead of large rifle

Quote:
Originally Posted by hootshoot
made a big difference in accuracy in 308 load mag primer gave me beeter results
Mine too, I also use ball power in my 308's.

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The day that you tarry is the day that you lose.
Sunshine or thunder, a man will always wonder.
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post #9 of 16 (permalink) Old 11-17-2010, 10:43 AM
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Re:mag primers instead of large rifle

Use Remington 9 1/2 in everything that they fit in, never had a single mis-fire or problem with any of them..about 20'000 or so over the years..
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post #10 of 16 (permalink) Old 11-17-2010, 12:49 PM
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Re:mag primers instead of large rifle

Only use them in 60 grain or larger cases. Seems to hurt accuracy in smaller cases. Suposedly, it moves the powder forward before burning and can cause higher pressure due to powder momentarily blocked at the case neck.

Ball powder is difficult to ignite, so they are generally needed in cases like 7-08, 308, and 338 federal. Just been loading some 338 federal with ball and the SD on loads got better with mag primers. I seldom load ball powder, for this and other reasons.
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