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1/22/2020 12:12:56 PM
Posted: 9/18/2009 6:46:33 PM EST
[Last Edit: 9/18/2009 6:51:07 PM EST by UrbanArtillery]
So....any ideas

Sandbox sand, sand bags.
Link Posted: 9/18/2009 6:47:58 PM EST
What kind of sand are we talking about?

Around here it's real fine and packs easily.

Some places it's not really sand but rather pebbles about 3 mm in size.
Link Posted: 9/18/2009 6:51:32 PM EST
check out the boxotruth.com, he did some tests with sand bags on there
Link Posted: 9/18/2009 7:03:42 PM EST
a lot
Link Posted: 9/18/2009 7:06:21 PM EST
Link Posted: 9/18/2009 7:06:45 PM EST
[Last Edit: 9/18/2009 7:17:42 PM EST by Pilk]
Originally Posted By reptar_head:
check out the boxotruth.com, he did some tests with sand bags on there

sure about the name????? didnt come up with anything relevant.....

Nevermind......link was perfect..... Looks like six inches of sand will stop most anything short of..... ?
Link Posted: 9/18/2009 7:13:35 PM EST
The following common barriers in built-up areas stop a 5.56-mm round fired at less than 50 meters:

* One thickness of sandbags.
* A 2-inch concrete wall (unreinforced).
* A 55-gallon drum filled with water or sand.
* A small ammunition can filled with sand.
* A cinder block filled with sand
(block will probably shatter).
* A plate glass windowpane at a 45-degree angle (glass fragments will be thrown behind the glass).
* A brick veneer.
* A car body (an M16A1/M16A2 rifle penetrates but normally will not exit).
Link Posted: 9/18/2009 7:42:10 PM EST
[Last Edit: 9/18/2009 8:15:18 PM EST by Gamma762]
If you're working on barriers, gravel is a lot more effective than sand. A few inches of limestone gravel will stop rifle caliber ammo.
Link Posted: 9/18/2009 7:43:21 PM EST
About an inch, packed down the barrel.
Link Posted: 9/18/2009 7:52:34 PM EST
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