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The Hog Whisperer (Administrator)
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It will vary by gun, but start at about 2.5 gr. of Bullseye, or similar powder like Red Dot. Seat the bullets backwards, flush with the case mouth, to take up as much air space as possible.

You will probably stick one or two in the bore. If a lot of them stick, up the powder charge a bit, if they are going so fast that they lead the barrel, reduce it.

For the first few I'd try the load above, if it seems like they are really zinging out of the barrel, reduce a little. As you lap it will take a little less powder. You should actually be able to see the bullets fly downrange when you get the charge right.
 

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The Hog Whisperer (Administrator)
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Dave,

That's the first chrono data I've seen on lapping loads! Many thanks, it's very interesting.

As you no doubt noticed, sometimes you can see the bullets fly downrange at those speeds. Could you see all of them, if not about how fast do they have to be going before you can't see them anymore?

No real reason for this, just curious what you found.
 
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