7-300 WSM powdder

[Southern shooter 59]

I am having a barrel chambered in 7-300 WSM for F-class with freebore to accommodate the 180 grain bullets. I have a few powders that would work for the 300 WSM. Will these work for the necked down caliber.
Powders I have;
H4350
RL 17
H4831 SC which is very close to N555
N165

Your experience is appreciated.
Lawrence Beech

 

[Leeman]

N165

 

[RegionRat]

https://forum.accurateshooter.com/threads/7-300wsm-load-development.3798330/
H1000 and Retumbo are worth a look if the ones you already listed don't make you happy. I would have said some of the Reloader ones were worth a look too, but these days that isn't helpful when they have been unobtanium for so long.

 

[SKWERLZ]

The N165 and H4831 are known performers in 7mm short mags.

 

[Southern shooter 59]

Thanks

 

[Fire Dog]

Thanks

Your avatar photo shows a HEXTA tablet for their electronic targeting system, are you somewhere that is using this OZstraian system ?
I just love using it as it is accurate and the instant feed back is helpful, especially on difficult days of wind & mirage.

 

[Southern shooter 59]

The range in MS where I was a member prior to moving to SC used that system.