primers, news to me !

[Prose]

A degree symbol (°) can be added to text by holding down the Alt key and typing on the number pad (not the numbers above the letters) 248.

Ken

I thought for sure this was a prank that would delete my hard drive, but sure enough, that's how ya do it. I always wondered and now I know.

I used to live in interior Alaska. Shot in -40° to -60° temps many times. I have never had a misfire, in factory or hand loads, but I did take care to keep the cases next to my skin till ready to load and fire (people that did not do this had misfires). For small rifle I've stuck with rem 7.5 and large is primarily Winchester, but I test every new case with the top three or so choices and choose the best one. I've got two .308s that use different primers but the same brass/bullet/powder. The only thing I know about primers is that there are no guarantees, just test and rely on the results.

There is an article floating around somewhere that really tests primers in a scientific way. I think it was a lady out of the UK. Worth a read.

 

[Prose]

Primers are like spouses. You try to get the best match. When it is too cold, they may not do their best. When it is too hot, they sometimes over heat and need a rest. When things are normal, you do the best that you can and hope for the best from them. Sometimes you get a great score. Some days, when things are going really well, you may get several great scores. Other days, the littlest thing can happen and you can forget about any score at all. If you are one of the lucky ones, the match you make works in the best of times, the worst of times, and more often than not, you score more than your friends. Choose your primer wisely.

Sometimes you have to switch primers

 

[MGYSGT]

Mag primer cups are thicker. Don't be too annoyed if you blank the non mag primer.

 

[SheepDog]

The Linux operating system doesn't have that function either and while I am sure there is a way to do it I just do this:
It was 103F yesterday and is supposed to get to 108F today.

 

[DeadEyeDick45]

Here ya go, Alt Key shortcuts: http://www.alt-codes.net/

 

[expiper]

great tips on keyboarding ,,,us ole' dinosaurs need all the help we can get,,,Roger

 

[ebb]

I have a rule too, If it has a magnum in the name I use a magnum primer. I tried large rifle primers in my 7RUM the numbers weren't near as good as with magnum primers. And as far as shooting 30 BRs in -17 degree weather, I am glad you had fun but a 30 BR case doesn't hold enough powder to make a magnum primer necessary.

 

[TheOtherZilla]

I have always gone by what the load data book said. They note use of mag primers in the load data

 

[dedogs]

a 30 BR case doesn't hold enough powder to make a magnum primer necessary.

a 30 BR case doesn't hold enough powder to make a magnum primer necessary.

ebb, if you'll re-read my post you will find it was in response to patton243's comment on small rifle primers in cold weather. Not the size of the powder charge. dedogs

 

[Rogmay]

I have two 7mm's my son and I shoot, I use fed 215's, both guns shoot 1/2" moa which is fine for my hunting rifles. Just picked up a couple of bricks of the fed 215m, we'll see how they do, never tried just a large rifle, but like said above, if my loading book recommends it that's what I'll try first! I too shoot and hunt in -20 weather here in Montana!

 

[geraldgee]

Here ya go, Alt Key shortcuts: http://www.alt-codes.net/

Great! I foresee an hour wasted here "ALT + 1"

 

[ebb]

Well when it is cold and a lot of powder is going to be ignited is the most important time to need a magnum primer. Small charges it is seldom needed as you proved with the 30 BRs.

 

[divingin]

As an aside to this discussion, Hodgdon recommends magnum primers for all 300 AAC Blackout loads now. No disclosure on why.