(8 ratings)
The Holosun HS503GU is a full-featured 1x red dot optic that has disrupted the market by offering multi-reticle, solar-powered, and shake-awake functionality at a price point formerly occupied by optics with fewer features. The Multi-Reticle System (MRS) allows the user to switch between a 2 MOA dot, a 65 MOA circle, and a combined circle-dot reticle by pressing a button, providing options for fast close-quarters acquisition or more precise aiming at distance. The solar failsafe panel supplements battery power in adequate lighting, effectively extending battery life to thousands of hours. The shake-awake feature puts the optic to sleep when motionless, extending sleep mode battery life to years. Mounts on a standard Picatinny rail and is advertised to 10,000+ hours of battery life.
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Current
$130.01
Lowest
$119.02
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$208.22
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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.
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Guide
A high-level overview of the main optic categories, explaining tradeoffs between speed, versatility, and precision for AR-15 builds.
7 min read