A gun for underwater hunting do-it-yourself drawings – watch the video

Today, a very popular type of hunting is underwater, for the implementation of which for sale there are many guns. The most common type of harpoon is a weapon, and expensive and complex in design, — pneumatic. If it is not possible to purchase from the manufacturer, a gun for scuba hunting is assembled with your own hands simply enough, you need to follow the instructions, study the drawings and the proposed video for viewing. It will take a little patience, but it’s worth it.

  • Assembling homemade weapons for underwater fishing
  • Pneumatic guns for underwater hunting do it yourself
  • Spring type of underwater weapons do it yourself
  • Advantages and disadvantages of underwater homemade products

homemade gun for underwater hunting do it yourself

Assembling homemade weapons for underwater fishing

Harpoon type of underwater gun for Fish hunting is the easiest to self build. Structurally, it includes the following parts:

  • Sleeve Guide
  • Harpoon
  • Rifle barrel
  • Piston
  • Action spring
  • Clip
  • Harpoon Line Hook.
  • Traction
  • Rivet Mounts

To make these elements, you will need the following materials:

  • Steel bar with a diameter of at least 5 or 6 mm to assemble the harpoon.
  • For the guide and the piston it is necessary to use duralumin or stainless steel. The sleeve is part of the piston, they are machined from a 12×2.5 mm pipe.
  • Stainless steel, brass sheet for the production of a gun barrel (it is allowed to use a stainless steel pipe with a diameter of 12x1mm). Similar materials will be needed for the manufacture of clips, the thickness of the steel should not exceed 1 mm. From the same materials the hook is made.
  • 1.6 mm wire for the manufacture of a mainspring, wound on a rod with a diameter of 6mm with a pitch of 4-5 mm.
  • Steel wire with a diameter of 2 mm for the production of thrust.
  • Steel for the manufacture of fasteners, the roller which stand rivets. Instead of steel it is allowed to use ordinary iron nails.

Structurally complex and important part of the underwater harpoon gun is a spring. If you fail to make it yourself, you will have to contact a specialist. To do this, the steel wire is first wound on the machine, subjected to heat treatment, then put anti-corrosion protective agent.

The size of the spring depends on the length of the barrel. If the work of the weapon is based on the compression of the spring, its length should exceed the size of the gun barrel by 25-30 cm. The barrel should not be made from a pipe. You can use the usual ski pole made of duralumin 60-75 cm long. You need to do:

  1. Thread at both ends of the tube
  2. The groove size is 15-17 cm for inserting the sear. This groove regulates the force with which the weapon will strike as you move the handle. The sear must be pre-hardened.
  3. Holes for easy surfacing out of the water.
  4. Muzzle and plug.

The handle and trigger mechanism is recommended to be made strictly according to the drawings.

Gun for underwater hunting do-it-yourself drawings

Assembling homemade weapons for underwater fishing

Harpoon type of underwater gun for Fish hunting is the easiest to self build. Structurally, it includes the following parts:

  • Sleeve Guide
  • Harpoon
  • Rifle barrel
  • Piston
  • Action spring
  • Clip
  • Harpoon Line Hook.
  • Traction
  • Rivet Mounts

To make these elements, you will need the following materials:

  • Steel bar with a diameter of at least 5 or 6 mm to assemble the harpoon.
  • For the guide and the piston it is necessary to use duralumin or stainless steel. The sleeve is part of the piston, they are machined from a 12×2.5 mm pipe.
  • Stainless steel, brass sheet for the production of a gun barrel (it is allowed to use a stainless steel pipe with a diameter of 12x1mm). Similar materials will be needed for the manufacture of clips, the thickness of the steel should not exceed 1 mm. From the same materials the hook is made.
  • 1.6 mm wire for the manufacture of a mainspring, wound on a rod with a diameter of 6mm with a pitch of 4-5 mm.
  • Steel wire with a diameter of 2 mm for the production of thrust.
  • Steel for the manufacture of fasteners, the roller which stand rivets. Instead of steel it is allowed to use ordinary iron nails.

Structurally complex and important part of the underwater harpoon gun is a spring. If you fail to make it yourself, you will have to contact a specialist. To do this, the steel wire is first wound on the machine, subjected to heat treatment, then put anti-corrosion protective agent.

The size of the spring depends on the length of the barrel. If the work of the weapon is based on the compression of the spring, its length should exceed the size of the gun barrel by 25-30 cm. The barrel should not be made from a pipe. You can use the usual ski pole made of duralumin 60-75 cm long. You need to do:

  1. Thread at both ends of the tube
  2. The groove size is 15-17 cm for inserting the sear. This groove regulates the force with which the weapon will strike as you move the handle. The sear must be pre-hardened.
  3. Holes for easy surfacing out of the water.
  4. Muzzle and plug.

The handle and trigger mechanism is recommended to be made strictly according to the drawings.

Gun for underwater hunting do-it-yourself drawings
To make the handle, you need two steel plates, from which cut out the two halves in accordance with the size of the trunk. The cutter cuts a 3.5 mm hole where the location of the trigger is planned. Sheeptal, spring, safety device with screws are inserted into the drilled holes. Then both parts of the handle are connected with screws. The fuse consists of a base and a flag that locks the trigger.

 

A gun for underwater hunting do it yourself
To prevent the handle from sliding along the trunk, a stopper is installed.

 

For the manufacture of harpoons need steel with a diameter of at least 6mm. Its tip can be solid or removable. The second type is more convenient in that it can be changed depending on the type of production and wear. The disadvantage of the removable type is the possible deformation of the threaded connection, which will lead to a decrease in the accuracy of the shots, and final breakage. The harpoon is fixed with a shank. A sliding sleeve with a line attached to it is fixed along the harpoon, it will serve as a shock absorber.

At the end of the assembly of the gun, a solid steel timber collector is installed on the stub of the barrel.

Pneumatic guns for underwater hunting do it yourself

Pneumatic underwater projectile is easy to build, if you have parts from the machine at hand. First you need to remove the barrel. The clip is attached from the bottom with a 4 cm indent. Then the installation of the sear is made. The ramrod is fixed near the clip, retainer  — on the safety side of the clip. Care must be taken that the feeder does not touch the fuse ring when changing position.

Homemade Spring Crossbow
To prevent the handle from sliding along the trunk, a stopper is installed.

 

For the manufacture of harpoons need steel with a diameter of at least 6mm. Its tip can be solid or removable. The second type is more convenient in that it can be changed depending on the type of production and wear. The disadvantage of the removable type is the possible deformation of the threaded connection, which will lead to a decrease in the accuracy of the shots, and final breakage. The harpoon is fixed with a shank. A sliding sleeve with a line attached to it is fixed along the harpoon, it will serve as a shock absorber.

At the end of the assembly of the gun, a solid steel timber collector is installed on the stub of the barrel.

Pneumatic guns for underwater hunting do it yourself

Pneumatic underwater projectile is easy to build, if you have parts from the machine at hand. First you need to remove the barrel. The clip is attached from the bottom with a 4 cm indent. Then the installation of the sear is made. The ramrod is fixed near the clip, retainer  — on the safety side of the clip. Care must be taken that the feeder does not touch the fuse ring when changing position.

Homemade Spring Crossbow

To test the assembled weapon, you need to insert the harpoon into the barrel, squeeze the spring until it is locked with the sear. You need to load and unload weapons while under water. A spring fixation with a sear will be indicated by a click sound. To start shooting, you just have to pull the trigger.

Spring type of underwater weapons do it yourself

This type of weapon with two springs using a wide clip is rather difficult to do with your own hands. But, after watching the video, many moments of manufacture will become clear. Work on this type of underwater weapon begins with the selection of a suitable pipe for the manufacture of a gun barrel, to which the sear and the clip then join. Martial springs are attached directly to the axis, without touching the fishing line. After they are fixed, the feeder is installed.

Advantages and disadvantages of underwater homemade products

Each homemade weapon has its pros and cons. The clear advantage of homemade weapons is their low cost compared to industrial designs due to the use of cheap materials (if you do not take into account the brass plate). In addition, the weight of the finished gun is quite small. In this case, the facts do not affect  precision shotgun. The advantage is also that hunting for fish under water with such weapons does not require a special permit, there is no need to undergo special training or to have special skills and abilities.

However, there are disadvantages. These include a fairly high level of noise produced during shooting, as well as a well-distinguishable unpleasant spring creak, which is issued when reloading the weapon. The disadvantage of a particular type of underwater weapon, namely, — harpoon, is the limit on the type of catch. With a harpoon gun, you can hunt for fish of small size and weight. However, this drawback is absent in an air rifle with proper and high-quality assembly. If the tip of a harpoon weapon cannot be changed, this is a kind of inconvenience.

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