JakeC
Well-Known Member
Some folks get a lot out of the slow stuff in the saum, insane numbers.
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7 saum load data for 162 & 175 eldx
- Thread starter Vol1975
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I bought an 8# of IMR 7977 and developed a load with it in my 300 WM back when H1000 was invisible and it worked great. I got the same accuracy but better velocity.
Then it went away forever and H1000 trickled back.
Never tried it in a SAUM.
I use RL 23, N560, H4350 and Hybrid 100V my 7 and 300 SAUMs.
Then it went away forever and H1000 trickled back.
Never tried it in a SAUM.
I use RL 23, N560, H4350 and Hybrid 100V my 7 and 300 SAUMs.
Last edited:
JakeC
Well-Known Member
It's discontinued? I haven't seen 1000 on the shelf much but I saw a whole case of Retumbo sit there all weekend at the local Cabelas, and several cans of 4831sc that the employees' buddies hadn't got yet.I bought an 8# of IMR 7977 and developed a load with it in my 300 WM back when H1000 was invisible and it worked great. I got the same accuracy but better velocity.
Then it went away forever and H1000 trickled back.
Never tried it in a SAUM.
I use RL 23, N560, H4350 and Hybrid 100V my 7 and 300 SAUMs.
BLOODHOUND BRO
Well-Known Member
Just an update, I'm still tinkering but have some results with 4831SC.
7 SAUM med action, 0.230" freebore, 20" 1-8 Proof
162 gr ELD-X - 0.030" OTL - ran into pressure signs (extractor circle on case head) at 61gr 4831SC, 2847 fps, found velocity node around 60gr at 2810fps
175 gr ELD-X - 0.025" OTL - tested up to 60.5 gr 4831SC, 2801 fps, no pressure signs (Can someone explain that, heavier bullet closer to the lands???), I will probably stick with around 60gr with this bullet.
Both bullets seem to be very accurate. Will start tuning seating depth with both loads.
Obviously your results may vary with your components, proceed at your own risk.
7 SAUM med action, 0.230" freebore, 20" 1-8 Proof
162 gr ELD-X - 0.030" OTL - ran into pressure signs (extractor circle on case head) at 61gr 4831SC, 2847 fps, found velocity node around 60gr at 2810fps
175 gr ELD-X - 0.025" OTL - tested up to 60.5 gr 4831SC, 2801 fps, no pressure signs (Can someone explain that, heavier bullet closer to the lands???), I will probably stick with around 60gr with this bullet.
Both bullets seem to be very accurate. Will start tuning seating depth with both loads.
Obviously your results may vary with your components, proceed at your own risk.
