Dot size
Shield specifies the dot size as 4 MOA (3.25 MOA).
Technical Data
Compact reflex sight · single-stack pistols
SHIELD RMSc Reflex Mini Sight Compact 4 MOA FDE
Compact aluminium reflex sight for single-stack pistols with a glass lens and 4 MOA dot in Flat Dark Earth (FDE), 16.2 g without battery.
CR2032 · 20,000 hBattery · runtime
AluminiumHousing
23 mmWidth
16.2 gWeight without battery
This version
This version has a 4 MOA (3.25 MOA) dot, a glass lens and an aluminium housing in Flat Dark Earth (FDE). The sight measures 40.8 x 23 x 22.8 mm and weighs 16.2 g without battery.
Features in practical use
Low profile for co-witness
The low profile allows co-witnessing with the standard iron sights; with Shield’s matching low-profile Glock MOS plate (not included), Shield states no suppressor-height sights are needed.
Scratch-resistant glass lens
The glass edition has a scratch-resistant, very clear glass lens and revised electronics with improved battery contacts; the D-shaped lens has no filter dimming the image.
Automatic brightness
The sight adjusts its brightness itself and can therefore stay on permanently; the lowest level is night-vision compatible, the highest is visible against the sky in bright daylight.
CR2032, changed from underneath
A CR2032 lithium battery (3 V) gives 20,000 hours in average daylight; it sits on the underside and the sight is removed to change it.
Slim aluminium housing, SHIELD footprint
Machined from aerospace-grade aluminium, with a Cerakote Flat Dark Earth finish, and only 23 mm wide, mounted on the SHIELD footprint (over 100 mounting solutions); 40.8 x 23 x 22.8 mm, 16.2 g without battery.
IP67, 0.9 m water depth
Shield states the sight can be immersed to 0.9 m (3 ft) for 30 minutes (IP67).
Reticle
4 MOA
Red dot of 4 MOA (3.25 MOA): the smaller of the two dot sizes covers less of the target.
Red LED
The dot is produced by a red light-emitting diode, with no laser and eye-safe.
Automatic brightness
The dot adapts to the surroundings: night-vision compatible at the lowest level, visible against the sky in bright daylight at the highest.
No click steps
Elevation and windage are set without click steps using the mini dial and hex wrench.
Scope of delivery
- Sight in the selected version
- Mini dial for adjustment
- 1 CR2032 battery
- 1 x 1° shim for additional elevation range
- 2 button head screws M4x8 mm and 2 button head screws M4x10 mm
- 1 hex wrench 1.5 mm and 1 hex wrench 2.5 mm
- 4 nylon washers 0.5 mm
- 1 battery cover (Reece’s Law)
- 2 battery stickers
- 2 Shield target stickers
- RMSc sight cover
Matching items
Suitable mounts and adapter plates for the SHIELD footprint; Shield lists over 100 mounting solutions. Shield describes the RMSc as designed for single-stack pistols such as the Glock 43, Smith & Wesson Shield and 1911, as well as the Glock 43X and 48. The pistol and mount are not included; M4x8 and M4x10 mm screws are supplied.
Warranty
Shield provides a limited lifetime warranty on materials and workmanship for the products it designs and manufactures, valid from the date of purchase. Statutory rights remain unaffected.
* Firearms, mounts and other accessories shown are not included unless expressly listed. The selected item variant and the described scope of delivery are decisive.
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