Does this fit the s&w m&p 5.7

5.7 Rock, yes it will fit directly and flush. You can do a quick search online and check some examples for reference. Look up s&w 5.7 holosun. Hope this helps.

Are these 100% authentic Holosun optics? There are way too many posts about people receiving terrible knock offs or dots that just don't work properly

We understand your frustration, and we want to assure you that Holosun is actively monitoring and investigating instances of fraud or malicious sellers offering counterfeit Ingenium products. Holosun has partnered with Amazon in their transparency program, which requires every authorized seller to provide a Transparency code sticker (QR code) with each optic sold. When you receive your item, please check for this code sticker, as it will verify the authenticity of the Holosun product. If you suspect that the item you received is not genuine, we encourage you to return it for a full refund and consider reordering from a different seller. We hope this information is helpful to you.

Will this fit Glock 47?

If you have the G47 MOS model, you will need an adapter plate to direct fit the optic. This optic uses RMSc footprint. Hope this helps.

on an MOS gun with an adapter plate, yes. Otherwise, for non MOS guns, you need to have your slide milled.

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Description

🎯 Lock on. Level up your aim with unstoppable precision.

ALL INCLUSIVE KIT - Comes with multi-tool, lens cloth, and RMR adapter plate—everything you need to dominate the field.
RUGGED DURABILITY - Crafted from aircraft-grade 7075 T6 aluminum with anodized finish for military-grade toughness.
PRECISION TARGETING - Dual reticle design with 2 MOA dot & 32 MOA circle for rapid, pinpoint accuracy.
EFFORTLESS EYE RELIEF - Unlimited eye relief and no parallax for seamless, natural aiming from any angle.
UNMATCHED BATTERY ENDURANCE - Up to 50,000 hours of continuous use with CR1620 battery plus solar failsafe ensures you never miss a shot.

The HOLOSUN EPS-GR-MRS is a cutting-edge open reflex sight featuring a dual reticle (2 MOA dot & 32 MOA circle) with a vibrant green 540 nm wavelength. Designed for professional airsoft and tactical use, it offers unlimited eye relief, no parallax, and a solar failsafe power system backed by a 50,000-hour battery life. Built from durable 7075 T6 aluminum with anodized finish, this lightweight optic includes essential accessories like a multi-tool and RMR adapter plate, making it a must-have for precision shooters seeking reliability and speed.

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