TulAmmo USA recognizes that there is a great deal of confusion and misinformation out there about our transition to a zinc jacketed bullet as opposed to copper. Much of the confusion centers around the benefits of zinc as a metal, and the manufacturing methods used. To put it simply, there are three primary reasons for zinc:
Cost - Zinc is far more cost-effective to produce than copper. With ever-increasing economic pressures, we felt it to be imperative to investigate ways of maintaining costs while also maintaining quality and performance.
Fouling - while our bullets have always traditionally been clad in over a thin steel veneer encasing the lead core, copper has a tendency, especially at rifle velocities to shed residuals into the rifling. This can build up and affect performance. Zinc, on the other hand, is harder than copper, resists shedding of residuals and is also self-lubricating due to its chemical properties.
Accuracy - another characteristic of copper is that its softness allows for more deformation of the jacket before exiting the muzzle. This can affect point-of-impact and consistency. Zinc resists this deformation and contributes to more reliable shot placement.
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