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Old April 10th, 2019, 11:13 AM #1
onedash onedash is offline
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How long before plastic replaces brass?

https://trib.al/5dZjlrT
If this works out I bet we will have mostly plastic cases soon.
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Old April 10th, 2019, 11:44 AM #2
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Doesn't mean that component providers won't still provide new brass for reloading. Just as they do today. .mil doesn't use every cartridge that's out there.
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Old April 10th, 2019, 12:19 PM #3
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I know but I suspect if the quality is good enough for the 50 cal it should be even better for most calibers smaller. No idea how easy it might be to reload.
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Old April 10th, 2019, 12:27 PM #4
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They use plastic cases on open bolt designs from my understanding.

I have used Plastic Cased 5.56. lots of ruptured and case separations when the gun gets hot.
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Old April 10th, 2019, 12:57 PM #5
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Quote:
Originally Posted by onedash View Post
I know but I suspect if the quality is good enough for the 50 cal it should be even better for most calibers smaller. No idea how easy it might be to reload.
It's probably not reloadable. Not by today's methods anyway. Once it expands, it probably would take heat, not pressure to size it back to specs. If at all.
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Old April 10th, 2019, 01:11 PM #6
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Telescoped rounds are the core of the LSAT program and perform rather well. We'll still get brass and lacquered steel in our current popular calibers for some time to come, but eventually civilian versions of .mil weapons will slowly shift the balance over the years.
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Old April 10th, 2019, 03:04 PM #7
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Old April 10th, 2019, 04:06 PM #8
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Lots of people shoot 50+ year old milsurp ammo today.........will you want to shoot 50 year old plastic cases?
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Old April 10th, 2019, 04:12 PM #9
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I probably won't be shooting much in 50 years. Maybe will be able to build our own cases out of pex tubing.
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Old April 10th, 2019, 05:10 PM #10
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Plastic cases!!!! Wait, what about the civil war era Smith carbine using gutta pertcha case? Hum, guess plastic cases aren't so new after all...
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