Pipe Hand Grenade

Hand grenades can be made from a piece of iron pipe. The filler can be plastic or granular military explosive, improvised explosive, or propellant from shotgun or small arms ammunition.


  • Iron pipe, threaded ends, 1 1/2″ to 3″ diam. , 3″ to 8″ long.
  • Two (2) iron pipe caps.
  • Explosive or propellant
  • Nonelectric blasting cap. (Commercial or military)
  • Fuse cord
  • Hand drill
  • Pliers

26 1 Pipe Hand Grenade


1. Place blasting cap on one end of fuse cord and crimp with pliers.

NOTE: To find out how long the fuse cord should be, check the time it takes a known length to burn. If 12 inches burns in 30 seconds, a 6-inch cord will ignite the grenade in IS seconds.

26 2 Pipe Hand Grenade

2. Screw pips cap to one end of pipe. Place fuse cord with blasting cap into the opposite end so that the blasting cap is near the center of the pipe.

NOTE: If plastic explosive Is to be used, fill pipe before Inserting blasting cap. Push a round stick into the center of the explosive to make a hole and then insert the blasting cap.

26 3 Pipe Hand Grenade

3. Pour explosive or propellant into pipe a little bit at a time. Tap the base of the pipe frequently to settle filler.

26 4 Pipe Hand Grenade4. Drill a hole in the center of the unassembled pipe cap large enough for the fuse cord to pan through.

26 5 Pipe Hand Grenade

5. Wipe pipe threads to remove any filler material.

Slide the drilled pipe cap over the fuse end screw handtight onto the pipe.

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