Be sure to check out these new affordable battery & Solar powered Red Dot optics from Holosun.
The Holosun PARALOW HS515CU is a new compact red dot sight with the option of dot only or dot with circle reticle pattern.
The Holosun PARALOW HS503CU is a new micro red dot sight with the option of a 2MOA dot only or a 2 MOA dot with a 65MOA circle reticle pattern.