1.0 link Rainbow Dash Network http://rainbowdash.net/ m14brony http://rainbowdash.net/m14brony http://rainbowdash.net/notice/3880833 @<span class="vcard"><a href="http://rainbowdash.net/user/32751" class="url" title="MetalTao"><span class="fn nickname mention">metaltao</span></a></span> The optic is quite effective. Additionally, it is powered by a single AA battery. Such a thing pleases me, as it saves me the hassle of trying to track down a specific type of &quot;button battery&quot; that is often used in rifle optics.