No ratings yet
Be the first to review this product
HOLOSUN HS503CU is a micro red dot optic with a 2 MOA dot and 65 MOA circle reticle. It can switch to a 2 MOA dot only. Solar panels and high-efficiency LEDs allow the optic to run without a battery in many lighting conditions. The back-up battery lasts up to 5 years on the dot and up to 2 years on the circle dot. The U-shaped housing shields the windage and elevation turrets on two sides. Includes a low mount and a 1/3 co-witness mount.
Inclusions: Low mount and 1/3 Co-witness mount included.
Sponsored
Cash for Arms
Instant offer on any firearm
No negotiating, no strangers at your door. Ship it and get paid.
Get an OfferHave one to sell?
Current
$213.99
Lowest
$213.99
Highest
$229.99
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertGuide
An analysis of AR-15 optic mounting heights, how height-over-bore affects zero offset and holdovers, and the tradeoffs between absolute co-witness, lower-third, and taller mounts.
6 min read
Guide
A high-level overview of the main optic categories, explaining tradeoffs between speed, versatility, and precision for AR-15 builds.
7 min read