Holosun AEMS PRO X2 ENCLOSED MICRO SIGHT (RED)Not available for US customers. If you place an order containing any Holosun items to be shipped to the US, it will be cancelled and a 5% cancellation fee applied. AEMS PRO X2 enhances the AEMS platform by improving accuracy through an advanced optical system that reduces parallax by 50%. AEMS X2 PRO also introduces a forward facing light sensor creating a smarter AUTO Mode that improves dot contrast in dynamic lighting conditions while in AUTO Mode.