The Shield RMSc is the original compact mini red dot sight designed specifically for slimline pistols like the Glock 43, Glock 43X, G48, Smith & Wesson Shield, and 1911. Its ultra-low-profile design makes it ideal for concealed carry setups and custom pistol builds. When paired with a matching low-profile Glock MOS plate,
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The Shield RMSc is the original compact mini red dot sight designed specifically for slimline pistols like the Glock 43, Glock 43X, G48, Smith & Wesson Shield, and 1911. Its ultra-low-profile design makes it ideal for concealed carry setups and custom pistol builds. When paired with a matching low-profile Glock MOS plate, the RMSc allows for co-witnessing with standard-height iron sights, no suppressor sights required.
This latest generation of the RMSc features a new ultra-clear, scratch-resistant glass lens and upgraded electronics with improved battery contacts – all while maintaining the same lightweight frame and slim profile that made the RMSc a go-to optic for CCW pistols. It’s so popular that firearm manufacturers have built entire models around it.
Ultra-low profile – perfect for slimline pistols (Glock 43/43X/48, Shield, 1911)
Co-witness with factory iron sights – no suppressor-height sights required
Red dot options: 4 MOA or 8 MOA available
Crystal-clear D-shaped glass lens – no color filters, true image clarity
Color-free anti-reflective coating – minimal external glare or signature
Auto-adjusting brightness – compatible with night vision to bright daylight
Housing material: aircraft-grade aluminum in matte black finish
Power source: CR2032 battery (up to 20,000 hours of operation)
Mounting standard: SHIELD footprint
Water resistance: IP67 (submersible up to 1 meter for 30 minutes)
Dimensions: 40.8 x 23 x 22.8 mm | Weight: 16.2 g (without battery)
Made in the United Kingdom
Manufacturer: Shield Sights, UK
Shield Sights RMSc Reflex Mini Sight
Mini-dial zeroing tool with 1.5 mm Allen key
CR2032 battery
1° angled shim for 1911 rail systems
2.5 mm Allen key for mounting screws
2 x M4x8 mm screws
2 x M4x10 mm screws
