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Image of sectioned bullets, SMK, Scenar, BT, AB, NP, CT

 
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  #1  
Old 11-07-2005, 04:05 PM
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Image of sectioned bullets, SMK, Scenar, BT, AB, NP, CT

I sectioned a few bullets over this past weekend and thought some others might like a peek at bullet guts.

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Old 11-07-2005, 05:06 PM
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Re: Image of sectioned bullets, SMK, Scenar, BT, AB, NP, CT

Dave,

A picture is worth a thousand words!
Thanks for shareing.

Regards,

JD338
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Old 11-07-2005, 05:12 PM
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Re: Image of sectioned bullets, SMK, Scenar, BT, AB, NP, CT

Great stuff. I can see how much they have beefed up the Nosler BT's. These aren't the fragile bullets they once were. The Combined Tech looks like the orig BT design.

Best is the comparison between the accubond and the BT. Essentiall the same bullet just one has the lead 'glued' to the core. Very enlightening.

Any chance of cutting up some 155 gr 178gr Amax, SST's and Interbonds?

Jerry
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Old 11-07-2005, 05:21 PM
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Re: Image of sectioned bullets, SMK, Scenar, BT, AB, NP, CT

Cool pictures. Thanks.

I'm wondering how you held the bullets for miling?
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Old 11-07-2005, 06:33 PM
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Re: Image of sectioned bullets, SMK, Scenar, BT, AB, NP, CT

Jerry

I'll cut up whatever I can find hanging around, I do have a few A-Max but in small calibers I believe.


That Combined Tech bullet is pretty old and I may have some "old" Ballistic Tip bullets around too, it'd be interesting to do a old vs new comparison.



4ked Horn

I have a neat little vise that came with my Sherline mill and it clamps pretty well to the bullet just below longitudinal center.



For my next trick I'm going to mill some 308 Win & 7.62 NATO cases for comparison. I have some Lapua, RWS, Federal, M118LR and M118SB.
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Old 11-07-2005, 06:43 PM
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Re: Image of sectioned bullets, SMK, Scenar, BT, AB, NP, CT

That is some very nice cutting work.

I worked over the Nosler partition, Sierra gamekings, Hornady and Nosler Accubonds about a month or so ago and found major differences in the hardness of the lead. The nosler partition has soft lead and the Accubond has very hard lead. I think Goodgrouper said that Scenar had very hard lead.

If you have nothing better to do you might try the Rockwell hardness test on them by using an ice pick or sharp nail and see what you think about the core. I wonder if the color of the core has any relationship to the hardness of the lead. If I remember correctly Antimony is used and it is white but I don't know how that comes out as a color in an alloy.
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Old 11-08-2005, 05:53 AM
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Re: Image of sectioned bullets, SMK, Scenar, BT, AB, NP, CT

Nice pics and nice work .
The BT shows a half circle.. was that caused by you , is it the picture or the lead has this " imperfection"?
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