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In Reply to: Armor to stop bullets posted by FenderLover on July 27, 2015 at 17:54:58:
You can fire a 22LR at 1/4 inch plate all day and it might scratch it.
Penetration has to do with composition and velocity of the projectile.
This is why A10s in their 30 mm GAU-8 Avenger rotary cannon uses a slug consisting of a lightweight aluminum body, cast around a smaller caliber depleted uranium penetrating core. That will go well beyond its diameter. :-)
A full metal jacket high speed military round out of a carbine or greater would probably prove your estimate accurate. Bubba and his .30-06 deer rifle from 100 yards, probably not so much.
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Follow Ups
- RE: Armor to stop bullets - Chip647 18:10:51 07/27/15 (5)
- GAU-8? - Craiger56 05:53:06 07/28/15 (0)
- RE: Armor to stop bullets - pictureguy 22:26:34 07/27/15 (2)
- Just a rule-of-thumb - FenderLover 02:59:06 07/28/15 (1)
- RE: Just a rule-of-thumb - pictureguy 09:56:53 07/28/15 (0)
- RE: Armor to stop bullets - FenderLover 18:22:07 07/27/15 (0)