Core component
AR-15 Optics by Brand
Red dots, holographic sights, prisms and low-power variables. Pick a brand to compare magnification, reticle and power source.
7 brands, 33 models listed. Checked 2026-08-01
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Aimpoint
premium
The tube red dot that everything else is measured against. Battery life is counted in years of continuous use rather than hours.
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Holosun
budget to mid
The price-to-performance pick. Solar backup and shake-awake are standard across most of the line, which is not true of anything else at this price.
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Trijicon
premium
The ACOG needs no battery at all - tritium and fibre optic light the reticle. The MRO and RMR cover the red dot side.
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Vortex Optics
budget to premium
Covers every price point with an unconditional lifetime warranty, which is a large part of why it sells. The Razor HD Gen III is the flagship LPVO.
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EOTech
premium
Holographic rather than reflex, which is why the reticle stays usable when the window is obstructed. The 68 MOA ring is the fastest close-range aiming reference in this table.
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Primary Arms
budget to mid
The ACSS reticle family puts ranging, wind holds and a moving-target lead into one reticle, and is the reason to buy these over a plain duplex at the same price.
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Sig Sauer Electro-Optics
budget to mid
The Romeo5 is the standard cheap red dot recommendation, with shake-awake at a price nothing else matches.