6.5 saum gap 4s powder choice

[Highvoltage]

A good friend just had one built and he's looking for the best performing powders. H1000 is getting harder to find. He's going to start break in and load development with 143 eldx and 130 Sierra gamechanger. Thanks for any advice. Best wishes

 

[venatic]

Reloder 26 will give top end speeds but is also hard to come by it seems.
N165 is the coolest burning powder and it does well but won't get you highest velocity. H4831 and Retumbo are both worth trying too.
Reloder 23 with the 130gr should work well too.
Just some ideas that I tried with mine.

 

[Highvoltage]

Hey thanks! I pass the info along. We figured 26, but it is tough to come by. The h4831 should be obtainable.

 

[Doc88]

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Lots of good and current info here

 

[lancetkenyon]

H1000 and RL23 are what I use.

 

[Rick Richard]

H1000 is all I have ever used. It can be found around my neck of the woods fairly easy.

 

[Jud96]

Lots of good options listed. Magnum powders are all getting harder and harder to get. RL23 is a good powder for a lot of mid sized cartridges, and I see it in stock when other popular powders are no where to be found.

 

[MallardAddict]

H1000 and R26 were winners in my old GAP 6.5 saum and likely the leaders for my new 6.5 saum though I plan to run some R23 as well

 

[Highvoltage]

Would you start the h1000 at 57 and work to 61.5 obviously looking for pressure? Where would the low and high end on the rl23 be?

 

[Equalizer]

I'm using the Berger 130 Gr HVLD on top of 63.0 Gr H-1000 with no signs of pressure. (In my rifle.) Other powders I've seen load data on are RL 25 and Retumbo. I'm going to work up a load with the 140 HVLD and according to the data I have 61.5 Gr H-1000 is max. Good luck!

 

[MallardAddict]

GAP's general advice for h1000's and 130's is start around 61 and plan to end around 63. For 140's it's start at 59 and end around 61.