30x47 subsonic loads
- Thread starter Tstroop
- Start date
Don't know about this cartridge but its close to a 308. We had very good success using trail boss powder. Fills the case well and easy to meter in the thrower.
civil82
Gold $$ Contributor
https://www.hodgdon.com/wp-content/uploads/2016/11/trail-boss-reduced-loads-r_p.pdf
I'd figure out a starting load based on formula attached, chronograph, then SLOWLY decrease charge to hit target speed.
I'd figure out a starting load based on formula attached, chronograph, then SLOWLY decrease charge to hit target speed.
Chronograph is key. 980fps worked best for us.
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