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Discussion Starter · #1 ·
It is based on my change to Golden bear which has a rated MV of 2430. These fly quite a bit hotter than the supposedly lethal Hornady SST or VMax for the 7.62. Golden Bear also makes a soft point that leaves at 2445 fps.

Pretty standard 1.5 scope height
.360 ballistic coefficient

@ 200 yards
1998 fps
1090 fpe

This puts me at 0 at 25 and back to 0 at 200 with 2.85 inches+ at 100. They start dropping fairly fast after that. 4.41 low at 250, 11.42 low at 300(on a 200 yard zero). Based on John Taylor's TKO I'm supposed to still be good for deer at 300 yards with this round if I do my part but that would need to be a good shot.
 

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It is based on my change to Golden bear which has a rated MV of 2430. These fly quite a bit hotter than the supposedly lethal Hornady SST or VMax for the 7.62. Golden Bear also makes a soft point that leaves at 2445 fps.

Pretty standard 1.5 scope height
.360 ballistic coefficient

@ 200 yards
1998 fps
1090 fpe

This puts me at 0 at 25 and back to 0 at 200 with 2.85 inches+ at 100. They start dropping fairly fast after that. 4.41 low at 250, 11.42 low at 300(on a 200 yard zero). Based on John Taylor's TKO I'm supposed to still be good for deer at 300 yards with this round if I do my part but that would need to be a good shot.
Yep that's what I done with my scope using Silverbear SoftPoint.
I set my Irons at 100 yards. So I snowcone at 100 and cover at 50
 

· Odd Pachyderm thingy
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1,285 Posts
I'd hesitate to hit a deer at 300 with a x39 round. even the hotter sb or gb stuff - not 100% convinced that they will expand reliably enough at that range to pulp the squishy bits that need to get pulped. if I'm unsure the shot will be ethical and quick - I won't take it.

personally, 200 is as far as I'd use that round for on a deer sized critter.

I have a .270 bolt gun that is zeroed at 200, for use at ranges beyond what I think the x39 is capable of for an ethical hit.
 

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666 Posts
Hottarod,
I measured the center of my scope to the mid bore and it is 2.0 inches above (not the usual assumed 1.5 often stated in trajectory tables) using the Ruger provided scope mounts. If you go to the below ballistics calculator you can plot the trajectory more precisely.

Ballistics Calculator - Hornady Manufacturing, Inc
 
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