Why isn’t Varget ideal for 6BRA?

[Lance21]

I've ran 16 lbs of H4350 through both mine and my son's 6bra with 107 SMK with fantastic numbers. Albeit slower than what a lot of shooters want, around 2800 fps, it was for PRS comps though, speed there doesn't matter much.

 

[Hengehold]

N140 is definitely NOT interchangeable with Varget. N150 is much closer. N140 is faster.

Curious, why didn’t Tanner set that record with Varget? Was he perhaps…. misinformed like myself?

I don’t cash checks from ANYBODY but I can tell you that with very few exceptions, Vihtavuori just makes better powder.

So, with Vihtavuori at $300 a jug to the house and Varget at closer to 460, what word would you use to describe Varget?

If I were going to pay Hodgdon prices, it would be for H4895, which has the pedigree to justify its price tag- in the BRA.

To offer a couple anecdotes about N140/Varget burn rates… in my Palma guns the powder charge that I usually land on for a 155gr bullet is 46.0 gr, give or take 0.5gr. If I use Varget or N140 the powder charge needed will always end up in this window.
With barrel differences, powder lot differences, primer lot differences, etc, this is a strong justification that the two powders have the same/similar burn rate.

My first 6BR barrel shoots well with 29.0gr N140/108gr Berg but 30gr was starting to leave a slight ejector smear. I am using small magnum primers so maybe this has an impact in some way? Still pretty close to the 30gr Varget standard with all the other variables taken into account.

-Trevor

 

[urbanrifleman]

I've ran 16 lbs of H4350 through both mine and my son's 6bra with 107 SMK with fantastic numbers. Albeit slower than what a lot of shooters want, around 2800 fps, it was for PRS comps though, speed there doesn't matter much.

That low node h4350 load does shoot incredibly well. 30.5 grains if I recall.

 

[SKWERLZ]

That low node h4350 load does shoot incredibly well. 30.5 grains if I recall.

R16 as well.

 

[urbanrifleman]

R16 as well.

Yes.

I'm going to test the R16 in the 22bra for our 62 eldvt pdog load. I want to find something that is immune to changing from our elevation to Colorado elevation. Something that is pretty much stupid and can't go over pressure.

 

[SKWERLZ]

Yes.

I'm going to test the R16 in the 22bra for our 62 eldvt pdog load. I want to find something that is immune to changing from our elevation to Colorado elevation. Something that is pretty much stupid and can't go over pressure.

I need a drop tube but it’s really temp stable and consistent.

 

[urbanrifleman]

I need a drop tube but it’s really temp stable and consistent.

I have a 6 inch drop tube.

That's what I want.

 

[mikegaiz]

Why can't people comment on the subject of the blog and not what they do. They should start another blog and leave this one alone.