It wasn't long ago that it required spending $500 or more to purchase a rugged and reliable red dot sight. Those days seem to have changed & there are number of options on the market.
Here's our review of the Holosun HS503G red dot sight with ACSS BDC reticle.
As of the posting of this video, this red dot is $220 via Primary Arms: http://www.primaryarms.com/holosun-paralow-hs503g-red-dot-sight-acss-reticle-hs503g-acss
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