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Polycase 9mm Inceptor Ammo

New & Unique Products

Over the next several weeks I'll be evaluating some 9mm Luger Inceptor ARX cartridges from the Polycase ammunition company.

I'll take it to the range and evaluate its performance through a full-sized, high capacity Ruger P89 and a sub-compact Kahr CM9. I'll let you know how it performs in all respects in both firearms.

The 9mm Inceptor features a brass case, 74 gr ARX bullet at 1475 fps with 357 ft. lbs of energy.

You cam read about it below and visit to learn more about it and other Polycase products and you may read a "Product Test" article with my evaluation of Polycase 9mm Inceptor ammo here soon.


  • REVOLUTIONARY SELF-DEFENSE TECHNOLOGY: From the research and development laboratory of PolyCase Ammunition, the Inceptor ARX™ is the next-generation of highly-effective self-defense ammunition, achieved through advanced design and materials science.

  • ENGINEERED FLUID DYNAMICS: Maximum energy transfer to target from the hydrodynamic ram effect. By design, the enhanced surface area of the ARX™ exploits the rotational force of the bullet, resulting in a self-defense round that is engineered to perform.

  • SPECIALLY ENGINEERED PROFILE: The ARX™ feeds like a round nose, with stopping power and terminal performance that exceeds most expanding handgun bullets.

  • LATERAL FORCE: The non-expanding ARX™ design harnesses the projectile’s rotational energy to transfer maximum terminal energy to targets through lateral force dispersion.

  • PATENT PENDING DESIGN: Dynamically transfers both rotational and directional energy for rapid energy transfer to target.

  • PRECISE: Injection molded ARX™ projectiles deliver exceptional accuracy.

  • HIGH VELOCITY: Achieves higher velocity and higher energy than other self-defense rounds, yet develops less recoil for quicker follow up shots.

  • ADVANCED MATERIALSPerforms in a wide range of conditions and weapons systems, including suppressed.

Polycase Ammunition® introduces its new Inceptor™ line of ammunition, featuring injection-molded Cu/P™ bullets, including the ARX™, loaded to SAAMI specifications in high-quality brass cases. The Inceptor™ line of ammo achieves reliability, pinpoint accuracy, and extreme performance through advanced technology and precision engineering. It’s a revolution in projectile design.

Introduced in January 2014, the ARX™ is a new bullet in every sense of the word. From the way it’s manufactured, to its shape to the way it transfers energy to the target. To understand the ARX™, one needs to forget nearly everything they’ve been told about bullets.

The ARX™ bullet is designed to not expand. The ARX™ is injection molded from a specially blended lead free, copper/polymer matrix that is designed to be tough enough to penetrate soft targets and tissue, but when it encounters tougher barriers it is designed to break up to reduce the risk for collateral damage due to over penetration.

Even though the ARX™ is lighter and travels at much higher velocities than conventional bullets, it will not defeat soft body armor.

Even the heaviest clothing barriers have no effect on the terminal performance of the ARX™ bullet. The ARX™ penetrates straight until it encounters soft tissue. Upon entering soft tissue, the specially designed grooves in the nose harness the rotational energy of the bullet during the initial 6” of penetration.

The features in the nose of the ARX™ bullet also create hydrodynamic ram which compresses the fluid-filled tissue ahead of the bullet and creates an envelope around the bullet.

At this point the bullet tumbles on a helical path and continues to create a large temporary cavity. As the bullet penetrates it tumbles in a controlled, predictable fashion that delivers very consistent terminal performance that equals or exceeds conventional hollow point designs. In soft tissue, the ARX™ is designed to penetrate 12” to 14”, every time.

ARX™ is safe for use in suppressors – it will not disintegrate in the barrel like sintered bullets.






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