Use of Tungsten in Bullet Design - 01

Tungsten as a solid material is difficult and expensive to machine because of its extreme hardness, but as a powder, it can be compacted into a bullet jacket at normal swaging pressures used for lead core bullets. With the proper grade and quality of particle size control, tungsten powder is relatively easy to handle and compacts to nearly the same density as solid metal.

Tungsten is approximately 1.7 times heavier than lead. A tungsten core bullet having the same length, caliber and shape as another bullet with a lead core would weigh more. The exact amount could be calculated by first weighing the bullet jacket, then subtracting this from the total bullet weight, and multiplying the resultant lead core weight by 1.7, and finally adding back the jacket weight. For instance, a 168 grain .30 caliber match bullet with a lead core typically would have a 50 grain jacket and a 118 grain lead core. An identical appearing tungsten core bullet would weigh 250.6 grains

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