Head to head

Holosun HS510C vs Aimpoint Comp M5 2 MOA

By Cole Harlan, EditorUpdated Nov 5, 2026How we verifyEditorial standards

Two compact red dots for Picatinny-rail carbines. Holosun’s HS510C is an open sight with a selectable multi-reticle and a solar backup; Aimpoint’s Comp M5 is a single 2 MOA dot on a AAA battery. We compare the Comp M5 with the standard Weaver/Picatinny mount (item #200350). Figures come from each maker’s own product page, read on November 5, 2026.

Specs side by side

Holosun HS510C
Aimpoint Comp M5 2 MOA (#200350)

Spec	Holosun HS510C	Aimpoint Comp M5 2 MOA (#200350)
Reticle	2 MOA Dot & 65 MOA Circle (selectable)	2 MOA dot
Light source / wavelength	LED / 650nm	LED / 650 nm red
Battery	CR2032, side tray	AAA/LR3, alkaline
Battery life	50,000 Hours (setting 6)	50,000 h at daylight setting 7 (15,000 Lux, room temperature)
Brightness settings	10 Daylight & 2 NV	6 daylight and 4 night vision compatible
Solar power / Automatic brightness	Yes / Yes	Not listed on Aimpoint’s page
Housing	Aluminum & Titanium, MAO, black	High strength aluminum, anodized, semi-matte, black
Size L × W × H	3.3" × 1.68" × 1.78" (body)	85 × 45 × 52 mm / 3.3 × 1.8 × 2 in
Weight	4.94 oz (body)	148 g / 5.2 oz sight only
Window	0.91" × 1.26"	18 mm clear aperture
Height of optical axis	1.41 in dot height (quick-detach co-witness mount)	20 mm / 0.8 in, measured from top surface of mechanical interface
Magnification / eye relief	1x / Unlimited	1X / Unlimited
Water rating	IP67	45 m / 150 ft
Operating temperature	-30°C to 60°C	-45°C to +71°C / -49°F to +160°F
Mount	Direct mount, Picatinny rail; quick-detach mount	Standard mount for Weaver / Picatinny
Source (checked Nov. 5, 2026)	holosun.com HS510C	aimpoint.com Comp M5 2 MOA

The two heights are not like-for-like: Holosun’s 1.41 inch is a dot height on its mount, Aimpoint’s 20 mm is measured from the top of the mechanical interface. No prices are in this table. Aimpoint’s page also says the Comp M5 has a high battery compartment while the Comp M5s has a low one; this page compares the Comp M5. Aimpoint also lists a Comp M5 with an LRP (lever release Picatinny) mount; we did not compare that version.

What differs on paper

Battery: the HS510C runs on a CR2032 in a side tray; the Comp M5 on a single AAA alkaline. Both print 50,000 hours, but at different settings (Holosun at setting 6, Aimpoint at daylight setting 7).
Reticle and power: the HS510C offers a dot, a 65 MOA circle or both, and Holosun lists solar power and automatic brightness. Aimpoint lists a single 2 MOA dot.
Weight: Aimpoint prints 148 g (5.2 oz) for the sight alone; Holosun prints 4.94 oz (about 140 g) for the HS510C body.
Water rating: Aimpoint prints submersion to 45 m; Holosun prints IP67.
Brightness steps: Aimpoint lists six daylight and four night-vision settings; Holosun lists ten daylight and two.

Which to pick (on paper)

A plain 2 MOA dot from a long-established duty-optic maker, with a printed 45 m water rating: the Comp M5.
A selectable reticle, solar backup and a CR2032 battery: the HS510C.

We have not range-tested either, and no durability claim above is ours; every figure is quoted from the maker’s page.

Frequently asked questions

How long does the Aimpoint Comp M5 battery last compared with the Holosun HS510C?

Aimpoint prints 50,000 hours at daylight setting 7 on one AAA alkaline battery. Holosun prints 50,000 hours at setting 6 on one CR2032.

What is the difference between the Aimpoint Comp M5 and Comp M5s?

Aimpoint's page says the Comp M5 has a high battery compartment while the Comp M5s has a low battery compartment. This comparison uses the Comp M5 with the standard Weaver/Picatinny mount.

Holosun HS510C vs Aimpoint Comp M5 2 MOA

Specs side by side

What differs on paper

Which to pick (on paper)

Frequently asked questions

Sources

Keep exploring

Specs side by side

What differs on paper

Which to pick (on paper)

Frequently asked questions

Sources

Keep exploring

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