AT3D Optic Cover for Holosun 507k/407k

(1 review)
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  • Our AT3D Optic Covers are designed to protect your optic from rain, dust, debris and impacts.
  • Keep the cover on when cleaning to protect from bits of carbon and cleaning products from getting on your lens.  
  • Made from an extremely durable thermoplastic polyurethane (TPU) which is is impact resistant and flexible.
  • Seal off your sight from moisture so you will never have to worry about rain drops on your glass again! 
  • These are available in several different colors so you can add your own personal touch to your firearm.
  • All covers now include a loop for attaching an optic tag so you can easily find the cover in your bag.
  • Be sure to check out our optic and bag tags to attach to your AT3D Optic Cover.

*Slide cut option is for optics that are mounted down into the slide like the Sig P365 XL. It has a cut away to allow for the cover to sit fully onto the optic when mounted in the slide. If your optic is on a plate or sits fully above your slide you don't need the slide cut.*


  • 5
    Cover for Holosun 507k red dot on a Sig P365

    Posted by Sue M on Dec 13th 2020

    Am very very happy to have something to protect this optic when I am cleaning the gun or transporting it. Fits well, very sturdy