The Viridian RFX 15 Green Dot Sight is a great value. It has an RMSc footprint which means it will fit your subcompact pistols like the Hellcat, Glock 43X, or M&P Shield with no issues.
Has a large window for an RMSc footprint optic which is nice!
Includes scope cover and picatinny mount.
It has shake awake a 3 MOA dot and an IPX6 waterproof rating and manual brightness.
EYES SEE GREEN BETTER
• 3 MOA Green Dot
• 17×24 mm viewing window
• Shield footprint & Picatinny mount included
• Auto shut off and INSTANT- ON® technology
• High grade aluminum alloy body, lightest in its class
• Designed from the ground up to ensure clarity, solid function, and rapid target acquisition
• Fits most subcompact, optics ready pistols that use the Shield Standard footprint
• With 2 night vision brightness settings, the RFX15 is the perfect optic for your pistol in any light condition
• Tested in the harshest conditions to ensure your optic will be ready whenever you need it
• 8 visible & 2 night vision brightness settings
• Integral rear sight notch
TECH SPECS
ACTIVATION: User controlled and INSTANT-ON®
SIZE: 1.62″ x .98″ x .96″
MOUNT: Shield standard footprint
BATTERY LIFE: 30,000+ hours (middle settings)
BATTERY TYPE: CR2032
OBJECTIVE LENS: 17×24 mm TOOLS Included in packaging
MATERIALS: 6061-T6 aluminum alloy
OP TEMP: -4 °F to 130 °F
WATERPROOF: IPX6
WEIGHT: 0.65 oz
WARRANTY: 7 years
DOT SIZE: 3 MOA
DOT COLOR: Green
AUTO OFF: 2 minutes