This red dot uses the Shield RMSc footprint standard.

Essential info

• Footprint standard: Shield RMSc footprint standard
• Reticle: 3 MOA dot, 40 MOA circle, circle with dot [red]
• Window size [height x width]: 17.0 x 24.0 mm [0.67 x 0.94"]
• Total dimensions [length x width x height]: 40.9 x 26.0 x 24.0 mm [1.61 x 1.02 x 0.94"]

• Maybe The Lightest Full Metal Pistol Red Dot Sight in the World Only 19g 0.67oz Weight.

• Multi Reticles, 8 Levels and 2 Night Vision Red Dot, Slim & Low Profile, Snag-Free Design.

• Complete User Control with Motion Sensor Feature (2 Minutes Auto Shut-Off), On/Off Switch.

• Standard Window Size 17x24mm 0.7x0.9in, 26mm 1in Width, MAG Footprint Pistol.

• ＞20,000 Hours Battery Runtime for Weakest Visible Reticle, IPX6 Water Proof, Weaver Mount.

• Designed for Real Firearms, Take 9mm, 45ACP, 12GA and Lapua Magnum 338 Recoil.

• Magnification: N/A
• Window Lens Size: 17x24mm / 0.7x0.9in
• Length: 40.9mm / 1.6in
• Width: 26mm / 1.0in
• Height: 24mm / 0.9in
• Weight (net): 19g / 0.67oz without mount
• Eye Relief: Free
• Optics Coating: Multi Coated
• Parallax: Free (<2MOA)
• Parallax Setting: 25 yards
• Adjustment Range: >45MOA
• Reticles: 3MOA Dot, Circle (40MOA), Circle with Dot
• Dot Intensity: 8 Levels & 2 NV
• Footprint: MAG
• Working Temperature: -20~+55C
• Housing Material: 6061-T6 aluminum alloy
• Compatible with R.M.S footprint
• Battery Type: CR2032
• Battery Runtime: 20,000 hours for weakest visible reticle
• Finish: Black matte
• Mounting System: Weaver
• For close-in work and general shooting
• IPX6 water proof (1 meter water for 30min), shock proof to 1000g
• Weaver mount made of aluminum alloy 6061 T6 in durable black matte finish
• Package includes: weaver mount, rubber lens cover, hex keys, screws and cleaning cloth etc