Barrels are the most heterogeneous object of a rifle to fabricate.
The growth of turning a lingering, steel bar into a shiny machined barrel with intricate rifling on the interior is the most labyrinthine action involved in manufacturing a firearm. Specialized Accoutrement is required to manufacture and rifle a barrel that would not be seen in most other industrial mechanism shops. There are hundreds of barrel makers across the USA that apply Accoutrement of varying complexity, on the other hand using the most contemporary Accoutrement available reduces the chances of ruining a plenty of steel while manufacture a barrel.
Instructions
1. Buy a round bar of steel that is 11/4 inch in width and 30 inches expanded. The first-class steel you can catch for your barrel is 416 stainless steel, on the contrary 4140 chrome moly steel Testament besides generate an distinctive barrel. An industrial steel supplier should be able to supply you with one of the two kinds of steel above in the immensity required.
2. Mount your portion of steel in the deep-hole drilling gadget's fixture, which Testament spin the barrel at exceeding than 2,000 rpm when turned on. The deep-hole drilling appliance Testament then push a tungsten carbide tipped blade on a 40-inch rod into the spinning piece of steel at the rate of 1 inch per minute.
5. Mount the reamed barrel in the button rifling machine and then mount a specific kind of button on the machine's rod to carve a certain kind of rifling extremely as twist into your barrel. Each button has a different rifling pattern ground into the outside of the button. See the barrel twist calculator in the resources section for more information on choosing a twist ratio for your barrel.
4. Engage the reaming machine, which will push the mounted barrel into the reamer until it passes through the other side of the barrel. Be sure the mounted barrel and the reamer's shaft are perfectly aligned to fabricate the best barrel possible.
3. Place your drilled barrel into the reaming machine's fixture and turn on the machine, which will spin a reamer on the end of a lubricated shaft at about 200 to 500 rpm. The reamer size is determined by the caliber you want your barrel to be.
6. Lubricate the bore of the barrel heavily.
7. Turn on the button rifling machine, which will then pull the button through the lubricated barrel and carve the rifling.
8. Place the recently rifled barrel in the furnace at 1200 degrees F for about an hour before removing. Stress relieving your rifled barrel is necessary to avoid potential barrel splitting when firing.
