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Old September 13, 2012, 01:16 AM   #1
Pond, James Pond
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Creating a cartridge profile for the Spot-On prgram

I have a Nikon BDC scope on my .22 rifle.

Presently, I have Standard Plus training cartridges from a company called SK Munitions from Germany. They also go by the name "Lapua-Germany".

They are not listed amongst the regular manufacturers of .22LR, so I tried to enter their specs. Bullet weight and velocity I found easily.

However, I don't know where to get BC information. Suggestions?

With those, I can make more effective use of this useful online tool!

Thanks.
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Old September 13, 2012, 11:27 AM   #2
SSA
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I have never looked at that program.
The BC for the Lapua bullet will be about the same as any other .22 bullet of similar weight and appearance.
Probably about 0.125.
Whatever number you use, you will have to shoot it to know how close it works out.
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