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There are some very cool Electron Microscope pics of barrels at the following link: http://www.benchrest.com/wwwboard/index.cgi?read=150431 Dutch. | ||
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Administrator |
Dutch, Thank you for posting this. Great pictures. ------------------ www.accuratereloading.com | |||
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one of us |
Very interesting pictures. Thanks. | |||
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one of us![]() |
I thought the most interesting part was the marks from the brass brushes on the crown, whiler there are none in the barrel. There's a LOT of "ironing" going on in there! I'm almost thinking I might have to start breaking in my barrels....... Dutch. | |||
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<reloaderman> |
WOW......neet! Thanks for posting! | ||
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<Chainsaw> |
Dutch, I too appreciated looking at the pictures. Looks like I'll have to treat my crown a little bit better on the EA Brown.-------Chainsaw | ||
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one of us![]() |
Most interesting. Thank you. Thats a real eye opener ![]() ![]() ------------------ | |||
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<sure-shot> |
Just goes to show what can be learned from the benchrest crowd. These guys never rest! sure-shot | ||
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<Don G> |
Thanks for pointing this out to us all. It is definitely worthwhile. I'm surprised a bronze brush does that! Can you imagine a stainless brush! Don | ||
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one of us![]() |
Don, I must admit, I have a little bit of a hard time swallowing the brush thing. Seems logical, and the only other thing that comes through would be un-burned kernels of powder. They're going about 4000 fps, but is that fast enough to do this? Did you guys notice in the pic of the 660 shot barrel -- the tooling marks on the SIDES of the lands are ironed out! Those bullets deform EXACTLY to the bore, don't they? Dutch. | |||
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<whales> |
Good picts. Thanks What are the white dots that show on the crown? Could they be the cause of the marks? | ||
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one of us![]() |
Whales, I think they are just lint from the cleaning patch? Dutch. | |||
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