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Bullet forging is a cold manufacturing process that uses extreme pressure to form metal into bullets. It produces better quality and more accurate bullets, but can be more expensive. Some companies produce forged bullets for sale, and it can be done at home with proper equipment. Casting has shortcomings, such as less accurate size and small cracks. Quality control is important in bullet forging. The best option depends on personal preference and usage. Bulk discounts may be available for those concerned about cost.
Bullet forging is a cold manufacturing process for bullets that relies on extreme pressure to form the metal. Instead of melting the metal and pouring it into molds, the manufacturer presses the materials into a mold at room temperature. Punches can apply tremendous pressure to force the metal to conform to the shape of the die, creating a finished bullet. This technique can produce better quality and more accurate bullets, although it can also be more expensive.
Some companies produce forged bullets for commercial sale. The packaging usually indicates that this manufacturing technique was used and should provide information on the size and composition of the bullets. You can even do this with a home workbench and some basic metalworking equipment. Bullet-drilling tools are available from several sources. A metalworking shop may also have suitable equipment for this purpose and may be willing to rent bench space.
Casting, a traditional manufacturing method, has a number of shortcomings. The first is that bullet size may be less accurate, because the metal heats up and changes size as it cools. Companies need to produce very precise molds to provide enough cooling space without making the bullets too large. In addition, small cracks and bubbles can form during casting, which can cause problems when a projectile is fired. None of these problems develop with bullet drilling, which can produce better-performing bullets.
Quality control in the use of bullet forging to produce ammunition can include measurements to ensure that bullets are of a uniform size and shape, along with tests to verify the composition of the metal. People making their own can use a variety of dies and punches to achieve specific shapes, including hollow points and other bullets with extra functionality. Making bullets can allow people to precisely control their composition and shape for specific purposes and greater quality control. It’s not necessarily cost-effective, as the investment in equipment and supplies can be large.
The best option for people who buy and make bullets may come down to how they use them. Some people prefer the higher accuracy available with bullet hole drilling. Others may not notice a significant difference or may be willing to compromise with cast bullets. It may be possible to get bulk discounts on large orders of shells or raw materials, something to consider for those concerned about spending.
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