Head to head

Holosun 507C X2 vs Trijicon RMR Type 2

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

Both mount on the RMR footprint, so on paper they fit the same slide cuts and plates. The biggest cited difference is the reticle: Holosun’s 507C X2 has a selectable Multi-Reticle (2 MOA dot, 32 MOA circle or both) on a CR1632, while Trijicon’s RM06 has a single 3.25 MOA dot on a CR2032. Figures are from each maker’s page and Trijicon’s spec sheet, checked November 5, 2026.

At a glance

Holosun HS507C-X2
Trijicon RMR Type 2 Adjustable LED (RM06)

Spec	Holosun HS507C-X2	Trijicon RMR Type 2 Adjustable LED (RM06)
Reticle	2 MOA Dot & 32 MOA Circle (Multi-Reticle System; selectable dot, circle or circle-dot)	3.25 MOA Dot
Sight window	0.91" × 0.63"	.87 × .63 in (22 × 16 mm), per Trijicon’s RMR spec sheet; not listed on the RM06 product page
Dimensions	1.78" × 1.15" × 1.15" (body)	1.8 × 1.1 × 1 in (L × W × H)
Weight	1.5 oz (body weight)	1.2 oz. (34.02g)
Battery	CR1632, side tray	1 CR2032 lithium
Battery life (maker wording)	50,000 hours at setting 6	Over 4 years of continuous use at setting 4 of 8 (at 70°F)
Water rating	IP67 submersion	“waterproof to 20 meters (66 ft.)”
Footprint (maker wording)	RMR Footprint	“identical physical dimensions and mounting footprint to that of the original RMR Type 1”
Source (checked Nov. 5, 2026)	holosun.com HS507C-X2	RM06 product page; RMR spec PDF

Holosun lists brightness as 10 daylight and 2 night-vision settings, and it describes solar failsafe and Shake Awake; Trijicon’s RM06 page describes buttons on the optic that adjust brightness and states battery life at “setting 4 of 8.” The battery-life figures use different settings and units, so they are not a like-for-like runtime comparison. Trijicon’s spec sheet lists the Adjustable LED column at 1.8 × 1.2 × 1.0 in and 1.17 oz, slightly different from the RM06 product page (1.1 in wide, 1.2 oz); we show the product page and flag the difference. Trijicon notes a mounting kit (AC32064) is required on Glock MOS, Springfield OSP, Walther PDP and H&K VP9 Optics Ready slides. We list no price.

Which to pick (on paper)

If you want a selectable circle or circle-dot reticle: the 507C X2; the RMR RM06 lists only a 3.25 MOA dot.
If you want the smaller, lighter housing: the RM06 at 1.2 oz and 1.1 inch wide against the 507C X2 at 1.5 oz and 1.15 inch.
If window height and width matter: the 507C X2 lists 0.91" × 0.63" against .87 × .63 in on Trijicon’s spec sheet.
If you already own an RMR-cut slide or plate: both makers state RMR footprint compatibility.

We have not range-tested these; facts below are from the makers.

Frequently asked questions

Do the Holosun 507C X2 and Trijicon RMR share a footprint?

Holosun lists the HS507C-X2 as RMR footprint, and Trijicon says the RMR Type 2 has the same mounting footprint as the original RMR Type 1.

What batteries do the 507C X2 and RMR Type 2 use?

Holosun lists a CR1632 for the HS507C-X2. Trijicon lists a CR2032 for the RMR Type 2 Adjustable LED (RM06).

Which has the bigger window?

Holosun lists 0.91 x 0.63 inches for the HS507C-X2. Trijicon's RMR spec sheet lists .87 x .63 inches for the RMR Type 2.

Holosun 507C X2 vs Trijicon RMR Type 2

At a glance

Which to pick (on paper)

Frequently asked questions

Sources

Keep exploring

At a glance

Which to pick (on paper)

Frequently asked questions

Sources

Keep exploring

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