Acro P-2™ FDE 3.5 MOA- Red dot reflex sight with integrated Acro™ interface - 200777The Aimpoint Acro P 2 is the next generation of the ACRO series of sights Aimpoints family of optics dedicated to stand up to the extreme abuse of a semi automatic pistol slide. It features an enclosed optical channel emitter, keeping the sight fully protected from the elements. The Acro P 2 was tested to withstand the extreme shock, vibration, temperature changes, and material stress generated by firing over 20,000 rounds of . 40 S&W ammunition.