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Lehigh Defense Close Quarters Bullet and Ammo Technology

Close QuartersThe CQ is a lightweight, hyper velocity design using an aluminum core and pre-stressed jacket. The aluminum core initiates the expansion slightly after contact, pressing back into the pre-stressed jacket and activating a violent, incapacitating energy transfer. The aluminum nose optimizes feeding and provides a barrier blind entry. The pre-stressed jacket separates into petals sized for appropriate penetration based on the specific cartridge. These petals, base, and core are all designed to penetrate no more than 18", transferring a huge amount of energy to the target in a very short timeframe. The design of the individual high mass/high energy petals overcome other designs that use powdered metal or plastic composite projectiles that disintegrate upon impact. The energy is there; our goal is to utilize every bit of it and dumping it all on the surface in a non-vital area is not appropriate for a personal defense design.

This technology utilizes the hyper velocity to transfer enormous energy based on mass-energy equivalence, E=1/2MVSq. Given that the system pressure of each cartridge is fixed to some value determined by SAAMI, any increase in bullet weight or velocity will both increase the muzzle energy, but will also increase the chamber pressure. In the equation E=1/2MVSq if the bullet weight is doubled, the energy is doubled, if the velocity is doubled, the energy is quadrupled, in effect, terminal energy can be increased while maintaining the same chamber pressure by decreasing the bullet weight and increasing the velocity.

While the math is straightforward, other constraints enter into the system: is there an appropriate powder available to increase the velocity, will the gun semi-auto function with a different pressure curve, will the increase in energy be able to be utilized?

With our ability to quickly modify projectile geometry and features through cnc machining, we have been able to address the constraints of a light, high energy projectile and the results have been staggering.

 

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Close Quarters
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