155 grain bullets in 6.5 CM with vv n165?

Gallahad

FNG
Joined
Mar 10, 2020
Messages
42
Hello all! I see Lapua has a hunting load available in 6.5 creedmore with the mega. I have a bunch, as I shoot that bullet ( along with some other heavy .264 projectiles ) in my swede. I found a small amount of data, and I have imr 4350 and h4831sc. I was hoping for a load with n165? Any info (with any 155 grainish bullets) would be insightful. The megas have a longer bearing surface, so I don't think a-tip type bullets represent powder to pressure ratios here? Thanks!
 

A382DWDZQ

WKR
Joined
Dec 3, 2021
Messages
751
My run of this in QL shows a 110% case fill at a bit over 59,000 PSI with 98.7% burn rate gets you 2762 fps.
 
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Gallahad

FNG
Joined
Mar 10, 2020
Messages
42
So, and please correct me, i couldn't put enough n165 in a creedmore case to be overpressure?
With 155 magas, I couldn't even fill the case, I don't think there would be enough room for compression. Maybe filled to where the case neck starts. And this should be a complete burn. But again, correct me please 🤔.
 
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