Pipe Pistol for .22 Caliber Ammunition
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Pipe pistol for .22 caliber ammunition long or short cartrige
A .22 Caliber pistol can be made from 1/8 in. nominal diameter extra heavy, steel gas or water pipe and fittings. Lethal range is approximately 33 yards (30 meters).
Steel pipe, extra heavy, 1/8 in. (3 mm) nominal diameter and 6 in. (15 cm) long with threaded ends (nipple)
Solid pipe plug, 1/8 in. (3mm) nominal diameter
Metal strap, appriximately 1/8 in. X 1/4 in. X 5 in.(3 mm x 6 mm X 125 mm or 12-1/2 sm)
Flat head nail - 6D or 8D ( approximately 1/16 in. (1-1/2 mm) diameter
2 Wood screws, #8
Hard wood, 8 in. X 5 in. X 1 in, (20 cm X 12-1/2 cm X 2-1/2 cm)
Wood or metal rod, 1/8 in. (3 mm) diameter and 8 in. (20 cm) long
Saw or knife
1. Carefully inspect pipe and fittings.
a. Make sure that there are No cracks or other flaws in
the pipe or fittings.
b. Check inside diameter of pipe using a .22 caliber
cartridge, long or short, as a gauge. The buller
should fit closely into the pipe witthout forcing, but
the case SHOULD NOT fit into the pipe.
c. Outside diameter of pipe MUST NOT BE less than 1-1/2
times the bullet diameter.
2. Drill a 15/64 in. (1/2) diameter hole 9/16 in. (1-1/2 cm)
deep in pipe for long cartridgd. (If a short cartridge is
used, drill hole 3/8 in. (1 cm) deep). When a cartridge
is inserted into the pipe, the shoulder of the case should
butt against the end of the pipe.
3. Screw the coupling onto the pipe. Cut coupling length to
allow pipe to thread in pipe slush against the cartridge
4. Drill a hole off center of the pupe plug just large wnough
for the nail to fit through.
NOTE: Drilled hole MUST BE OFF CENTER in plug.
5. Push nail through pupe plug until head of nail is flush
with square end. Cut nail off at other end 1/16 in. (1-1/2
mm) away from plug. Round off end with file.
6. Bend metal strap to "U" shape and drill holes for wood
screws. File two small notches at top.
7. Saw ot otherwise shape 1' (2.54 cm) thick hard wood into
8. Drill a 9/16" diamter (1.43 cm) hole through the stock.
The center of the hole should be approximately 1/2" (1.27
cm) from the top.
9. Slide the pipe through this hole and attach front
NOTE: If 9/16" drill is not available cut a "V" groove in the
top of the stock and tape pipe securely in place.
10. Position metal strap on stock so that top will hit the
head of the nail. Attach to stock with wood screw on each
11. String elastic bands from front coupling to notch on each side of the strap.
SAFTY CHECK - TEST FIRE PISTOL BEFORE HAND FIRING
1. Locate a barrier such as a stone wall or large tree which
you can stand behind in case the pistol ruptures when
2. Mount pistol solidly to a table or other rigid support at
least ten feet in front of the barrier.
3. Attach a cord to the firing strap on the pistol.
4. Holding the other end of the cord, go behind the barrier.
5. Pull the cord so that the firing strap is held back.
6. Release the cord to fire the pistol. (If pistol does not
fire, shorten the elastic bands or increase their number.)
IMPORTANT- Fire at least five rounds from behind varruer and then re-inspect the pistol before you attempt to hand fire it.
HOW TO OPERATE PISTOL
1. To Load
a. Remove plug from rear coupling.
b. Place cartridge into pipe.
c. Replace plug.
2. TO FIRE
a. Pull strap back and hold with thunb until ready.
b. Release strap.
3. TO REMOVE SHELL CASE
a. Remove plug from rear coupling.
b. Insert 1/4' diameter steel or wooden rod into front of
pistol and push shell case out.