The Shield Sights footprint is slightly more narrow than Trijicon RMR, making it great any slide width of 1" or less.
RMSw Specifications:
ELECTRONICS
Battery: One 3V lithium battery, CR2032
Battery Life: 2 to 3 years – average use > 4 years – dark storage
Brightness Adjustment: Automatic Brightness
Range: Lowest – Compatible with Night Vision
Highest – Visible against the sky in bright daylight
Battery Fitting: Underneath.
EXTERIOR Housing material: Aluminum
Color: Matte black
Dimensions: Sight only (Length x width x height) 42 x 23 x 22 mm 1.7 x 1.0 x 0.9 inches
Weight: 17.50 grams / 0.617 ounces inc Battery
Mount: A wide range of optics share the shield sights mini footprint, [Over 40].
Fits existing Shield Sights Products: RMS/SMS mounts.