N565 load data for 7 SAUM

[JoeB]

I'm getting ready to start load development in my 7SAUM with 168 and 175 Accubond LR bullets using N565 powder. I'm needing safe start loads or any other data you can share. gun is built on long action if that helps. Thanks for any help you can give

 

[8nbait]

54 grains should be safe.
N565 is between rl26 and h1000 so looking at that data will help.

 

[ID_Matt]

I would start around 58 grains and expect to see pressure around 62. That was with ADG brass and 175 bergers. Not sure what your freebore is but the 565 fills up the case plenty, you may be a compressed load before you hit pressure.

 

[DanielMaple]

I'm getting ready to start load development in my 7SAUM with 168 and 175 Accubond LR bullets using N565 powder. I'm needing safe start loads or any other data you can share. gun is built on long action if that helps. Thanks for any help you can give

Been working up a load for 175 ABLR all day.
Temp 71. Cloudy, 0-8 mph wind

Proof 22” SAAMI chamber. They like .70-.100 jump.

ADG brass, federal 215 magnum.
N565 started at 61 grains, compressed at 65.2/ 2893 fps
H1000 started at 63 compressed at 65.4 / 2884
H4831sc started 61 pressure at 62.4 / 2894
RL 26 started at 62 pressure at 63.6 2932

Pressure = slightly stiff bolt. No extractor marks or other signs on brass.

Loaded 5 at 63.3. 2920 average ES 17 as 7.2
.625? Group. Might get better groups later.
Loaded & Shot around 100 between 2 rifles today and was a little sloppy at the end.

I'm getting ready to start load development in my 7SAUM with 168 and 175 Accubond LR bullets using N565 powder. I'm needing safe start loads or any other data you can share. gun is built on long action if that helps. Thanks for any help you can give

 

[DanielMaple]

BTW about 20 fps difference 168 & 175 ABLR
Same POI. Nodes are usually the same or within 1 grain.

 

[JoeB]

BTW about 20 fps difference 168 & 175 ABLR
Same POI. Nodes are usually the same or within 1 grain.

Thanks for the info