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Improvised Claymore Mine

By Raymond J. Lamer

Black Powder Squib:

Obtain a 12 volt lamp bulb (with a flange on it [head or tail light bulb)). Carefully break the glass off of the bulb. Solder wire leads to the rear and the side of the bulb. You can check the filament by very quickly attaching the wire leads to a 12 volt battery. Glue the bulb into the rear of the claymore casing with the flange inside the case and the wire leads out the back. Make a paper cylinder that is large enough and long enough to protect the filament of the bulb. Glue this cylinder to the inside of the casing so that it protects the f»lament.

Cas ing:

This can be made of almost anything, but 1/8 inch thick plexiglass is one of the easiest materials to work with. Hake a small box that is 3 inches wide by 6 inches long by 1 inch deep. You need sides and a bottom but no top. Use solvent type glue to put the box together.

Note: the box can be made any size. The larger it is the more damage you can do with it but also the more explosive it will take to fill it.

Orill a hole in the middle of the bottom of the casing large e-nough to put the base of the light bulb thru. Install the black powder squib in the casing as shown in the drawi ngs.

Cast i ng:

Make a mold with an outside length and width slightly less than the inside dimensions of the casing. This should be approx. 1 .inch deep. This mold can be made with body putty or with plaster of paris.Let it cure and then use spray paint to coat the inside of it until the mold is smooth to the touch.

To Cast:

Spray the inside of the mold with a casting release agent. Mix and pour liquid casting plastic into the mold until it is approx. 1A inch deep. Now pour in 3/16" or 1/4" steel ball bearings until you have a layer of them covering the bottom of the mold. Add casting plastic if needed so that the layer of balls is barely covered. Set the mold a-side and let the plastic cure. NOTE: Plaster of Paris or body putty can also be used to cast the balls in. The ball bearings are the easiest to work with but any metal can be used (nuts, bolts, screws, nails, etc.).

When the cast ing has cured, remove it from the mold. Use alcohol to remove the wax residue from the cast ing.

Now carefully pour black powder into the paper cylinder that protects the filament of the bulb in the casing. Lightly shake the casing to settle and pack the black powder around the filament. Now fill the rest of the casing with black powder until you have a level layer of black powder slightly a-bove the top of the paper cylinder.

Place the casting inside the casing on top of the layer of black powder. Now use a silicone or plastic sealing compound to seal around the 4 edges of the casting. Once it dries your claymore mine is ready to be used. NOTE: for concealment use colored plexiglass or paint the claymore after you've put it together.


To place the claymore, tape it to a tree, pole or what ever is handy. Make sure the ball bearings point toward the enemy. Remember that this type of weapon produces a mean back blast so make sure you are under cover when you set it off.

You can make up a control board to control a number of claymores that you have in place. Or you can simply string wires from each of your mines to a central location

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