Firearms trainer Rob Pincus of I.C.E. Training had announced the formation of Avidity Arms, and the creation of a singe-stack 9mm pistol called the PD10. These are two of the PD10 prototypes.

While at the 2016 SHOT Show, I spent some time with Rob Pincus discussing his new Avidity Arms PD10. The PD10 has a 4″ barrel and 10 round magazine capacity with a grip long enough to fit your hand on. Check out the prototypes here that will be in production soon as an ambidextrous polymer gun.
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