Vihtavuori in a 6 gt

[briang7511]

i am at 32.8g of N150, 105 hybrid, cci br, 2880fps, 26in bartlein

started jump on fresh barrel at about .070

 

[hairy_pineapple588]

i am at 32.8g of N150, 105 hybrid, cci br, 2880fps, 26in bartlein

started jump on fresh barrel at about .070

What kind of numbers are you getting?

 

[climbing1]

Results trying the N150. Slightly better performance than the N140.

Federal 205’s, 105 BHT, 1/7 26”, .060
32.4gn at 2800

 

[briang7511]

What kind of numbers are you getting?

over a large sample, ES around 20, SD around 6

 

[Mike240]

I used this thread as a start, so thanks. Final load-

N150 34.0g
Berger 105 VLD Hunting
CCI 450
Alpha OCD virgin brass
2.550 COAL, kind of (you know….)
1.970 base to ogive
.030 jump to “touch”
Just chamfered and deburred, “touched” to uniform length on Hornady 3 way powder trimmer
Neolube #2 inside neck

Rifle is MPA (Coup de Grace action) MPA match profile, Matrix Pro II
Alpha .120 freebore reamer

10 shot group
2993 avg. SD 9

 

[Mike240]

I bought my son an identical rifle, ordered same invoice from MPA. Will be interesting to see what this loads does in that one.

 

[climbing1]

I bought my son an identical rifle, ordered same invoice from MPA. Will be interesting to see what this loads does in that one.

It’s gonna shoot awesome, but the harmonics will be different.

 

[Mike240]

It’s gonna shoot awesome, but the harmonics will be different.

Hopefully close and can alter the charge. Will see in the morning….

 

[Mike240]

It’s gonna shoot awesome, but the harmonics will be different.

Got virtually the same group with same load in the second rifle

 

[climbing1]

Got virtually the same group with same load in the second rifle

Awesome. Well that makes it easy.