Are magnum primers a good idea with Varget under Sierra 69 gr?

[762shooter]

Loading sierra 69 gr bullets over Varget powder, are magnum primers a good idea?

If so, approximately how much lighter should the powder charge be? (I currently load about 26 grains.)

 

[CyaN1de]

You will probably be able to get back up to the 26 grains but start 10% lower and work up checking for pressure signs. I have used magnum and BR primers with no troubles in my .223 and 6BR. with well over maximum loads.

 

[2bad4u2]

The question is, "Why?".

 

[BCboy]

You will probably be able to get back up to the 26 grains but start 10% lower and work up checking for pressure signs. I have used magnum and BR primers with no troubles in my .223 and 6BR. with well over maximum loads.

What he said ,start from the bottom and work up, I too have had no problems as well

The question is, "Why?".

sometimes different brands, whether it be standerd,Magnum or Benchrest primers can meen the difference from a 1" group to a .25" group, some guns just like different primers in the recipe

 

[beltfed]

I've had excellent results with 205m and BR4 primers...I wouldn't bother with magnums...your milage may vary, but I doubt it.

 

[manitou210]

If your trying to speed up the 69gr Sierra's try some VT540 it drives them faster than Varget

 

[762shooter]

The "Why" is that I had read somewhere that you got better ignition of a compressed charge of Varget with a magnum primer.

I'm hearing "Doesn't matter."

Thanks for the advice guys.