Red Dot Witness Marker – Fine Tip Paint Pen (White, Red, Blue) – For Optic Mounting & Zero Retention Checks

Stay confident in your zero. Designed to help track optic screw movement over time, this fine-tip oil-based paint marker lets you apply precise witness marks to your red dot and mounting screws. If those marks shift, you'll know your optic may no longer be secure—or zeroed.

✅ Perfect for red dot installations – Mark your screws after torquing to spec
✅ Oil-based, permanent ink – Resists cleaning solvents, water, and recoil-induced wear
✅ Multi-surface compatible – Works on metal, polymer, Cerakote, anodizing, and more
✅ Quick-dry and fade-resistant – Reliable for long-term optic setups
✅ Available in Red, White, or Blue – Choose high-contrast for your slide/optic color

Trusted by gunsmiths and DIYers alike, this marker adds a layer of visual confirmation to every optic install.

Free Shipping: All orders ship free via UPS Ground/USPS/FedEx which takes 1-5 business days. We also offer UPS 2nd Day air for $9.99.

Same Day Shipping:* UPS only accepts ground shipments on Weekdays. Therefore any UPS Ground order we receive will ship same day if ordered before 2PM EST on Weekdays only.

Hassle Free Returns: We have a 30 day return policy. If you want to return your item for whatever reason just contact us and we'll send you a pre-paid label just like Amazon.