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Posted: 10/2/2005 3:12:01 PM EDT
[#1]
FMJ is a copper cup. It has exposed lead on the bottom. TMJ is usually copper plated lead, having copper on all surfaces.
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Posted: 10/2/2005 3:12:53 PM EDT
[#2]
ahh so the tmj would be the better plinker round
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Posted: 10/2/2005 3:14:20 PM EDT
[#3]
The better plinker round would be the cheaper of the two 
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Posted: 10/2/2005 3:15:38 PM EDT
[#4]
THey are about the same price
www.ammoman.com/index.htm |
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Posted: 10/2/2005 3:15:55 PM EDT
[#5]
Indeed |
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Posted: 10/2/2005 3:19:07 PM EDT
[#6]
I think TMJ is supposed to reduce lead exposure at indoor ranges.
I may be all jacked up on that info, though. 
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Posted: 10/2/2005 3:19:19 PM EDT
[#7]
Too bad you didnt live close to Oregon, I could get you 500 rounds of UMC FMJ ammo for $79
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Posted: 10/2/2005 3:25:42 PM EDT
[#8]
TMJ is cleaner to shoot as it has no exposed lead to be vaporized by gasses and deposited in the barrel. It also reduced the amount of lead exposure to the shooter at indoor ranges.
Since a TMJ is basically a common lead bullet with thin copper plating, it can be as bad as regular lead bullets in a Glock barrel= KB. I won't shoot plated bullets out of my factory glock barrel. FMJ has a much thicker copper layer, as it is a jacket of copper that has had a slug of lead swaged into it. |
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