SPC introduces it’s line of full size metal wall silhouettes. Shown is a Remington 870 that looks great on the wall of any gun room, den or shop.
The Plasma cut steel units are available rough as well as finished and painted.
SPC has heard of individuals burying full size silhouettes as decoys to throw off ground penetrating radar or imaging metal detectors that might be used by criminals to locate weapons, however SPC silhouettes are designed to be enjoyed on the wall, and SPC will not warranty silhouettes that have been buried.
SPC also has wall silhouettes of magazines, handguns and can do custom work as well.
For more info go to http://minisentryalarm.wordpress.com/
I am of the opinion if you bury most or all of your guns to keep them safe from confiscation it is mostly a victory of the mind rather than something particularly useful. Putting out a few decoys might be useful though. And if you put them on the property of an anti-gunner it might even be entertaining.
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I don’t think GPR has enough resolution to distinguish between that and a piece of steel just roughly the right shape. Or, heck, maybe not even a simple length of pipe. ANYTHING will trip magnetic detectors; they’re just looking for differences in magnetic reactions.
Would be interesting to set a few in the concrete of a new driveway, but a couple pieces of steel pipe would have the same effect.
@Rob, In order to have resolution on the scale of one inch you will need to use a frequency that has a wavelength of less than one inch. This means something on the order of 15 GHz. This is a little above that used for GPR but within the range for conventional radar. So you correct that GPR probably isn’t going to distingush between a piece of metal roughly the correct shape and one of these cut outs.
@MikeJ, Even easier than a steel pipe would be a layer of aluminum foil. And if you are in moist soil an application of salt (anything that conducts electricity in the presence of moisture) will limit the pentration to that depth.
Magnetic detection will require a difference in the magnetic properties. So aluminum will not be a shield or false positive to those types of detectors.
And as a general rule (from Wikipedia): The most significant performance limitation of GPR is in high-conductivity materials such as clay soils and soils that are salt contaminated. Performance is also limited by signal scattering in heterogeneous conditions (e.g. rocky soils).
If it ever comes to the point where they’re using GPR, we have long passed the point of having needed to be using .gov penetrating lead.
@Bobby, That will QOTD someday soon.
If it’s time to bury them, it’s time to use them.
This may be apocryphal, but supposedly Joseph Stalin, when told that Ukrainians were burying their guns instead of turning them in said “Good. If they bury them, they cannot use them.”
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