Most manuals I found recommend a small rifle primer (CCI 400, Fed 205, WSR, Rem 6 ½)

Noslers website recommends magnum small rifle 7 ½

Anyone using mag primers for 223 rem hunting loads?

I use "magnum" type primers in my .223 loads. I do this for consistancy of ignition with ball powders at sub freezing temeperatures (when the ammo is at subfreezing temperature). They work in that range and just as well at normal temperatures as standard primers. WSRs and CCIs are my main choice but the Feds work as well also. I wasn't under the impression that Remington 7 1/2s were "magnum" primers. As I recall they just have a thicker cup for use in gas guns. I do know they are harder cups as I get misfires in my Contender with them and don't with the other makes.

Larry Gibson

My 223 load uses H335 and my rifle has a preference for magnum primers. Tried regular and benchrest primers as well, but accuracy was best with the magnum primers.

Think I'll use what ever I can find these days

How does the H335 meter?

Larry Gibson is correct the Rem 7 1/2 primer is a thicker cup. Not a "mag" primer.

muck

Thanks, I got the 71/2 being a Mag from the chart below chart, I know better now

I am loading for an AR-15

http://www.handloads.com/misc/primers.asp

I have a Dillon 650 set up only for the .223 and has never been converted to anything else.....

I probably have fired 100,000 rounds of .223 through six .223 rifles I've owned......all of the loads (except for a few loaded with H-335) have been loaded with 27.5 grains BL-C(2) and (mostly) 50 grain TNT bullets.

I've used only the small rifle primer (mostly from CCI) in all this time and have never had a need or wish for anything else.......

Vapodog, military powder, how come not use the military primer?

quote:

how come not use the military primer?

because I use what I have and I don't have those!

What's with the new picture, doesn't seem like you

quote:

What's with the new picture, doesn't seem like you

When Obama gets done with us all we'll have is fishing.....I'm just ahead of the times!

Not so fast my friend, they have tried before but we survived

should I post a photo of a rifle with a bent barrel?.....you know the one.....the one they pried from my cold dead fingers???