A lot of bang for your $ - Monstrum Blackbird 1x20mm Prismatic Red Dot Sight

This is a viable alternative for those who have astigmatism . the reflex 1x and cirle dot are visable without batteries during daytime make it ideal for many firearms. actually good for hunting shotguns or defensive shotguns.in addition to the AR platform. beat used for ahooter that shoot with both eyes open. easy to learn two eyes open with this type scope 1x is perfect for fast action defense or a quick shot at a deer hunting and you need to get a good shot off rather than open sights or iron sights which they are called somwtimes.