The Reptilia DOT Mount Lower 1/3 Co-Witness for Aimpoint T1/T2 is a precision-engineered optic mount built for shooters who demand rock-solid performance without compromise. If you're running an Aimpoint T1 or T2 on an AR-15 and want your red dot positioned in lower 1/3 co-witness with your backup iron sights, this American-made mount delivers the kind of no-fuss reliability that keeps you on target under pressure. Machined from 7075-T6 aluminum with a hardcoat-anodized finish, it's built to take a beating and stay perfectly zeroed.
Installation is straightforward: a spring-loaded steel clamp with a nitrided finish locks your optic securely to any Picatinny rail. The clamp and mounting bolt sit flush with the mount body, eliminating snag points and ensuring your rifle remains clean and snag-free whether you're moving through tight spaces or just running drills at the range. The lower 1/3 mounting position keeps your sight picture aligned with your iron backups, so you've always got a fallback aiming method if your red dot fails—a real-world advantage in any fighting rifle setup.
Reptilia's attention to detail shows in every aspect of this mount. The 39mm body is sized specifically for Aimpoint T1/T2 footprints, meaning zero shimming or workarounds. Build quality is domestic, and the lifetime warranty reflects the maker's confidence in their product. Whether you're building a duty rifle, a precision 3-gun platform, or a home-defense carbine, this mount solves the problem of secure, repeatable optic mounting without the fuss.
| Brand | Reptilia |
| Mount Type | Lower 1/3 Co-Witness |
| Optic Compatibility | Aimpoint T1, Aimpoint T2 |
| Rail Type | Picatinny |
| Mount Width | 39mm |
| Material | 7075-T6 aluminum, hardcoat anodized |
| Clamp Material | Steel, nitrided finish |
| Finish | Black |
| Country of Origin | USA |
| Warranty | Lifetime |
Yes. This mount is specifically designed for the Aimpoint T1 and T2 footprints and measures 39mm, ensuring proper fitment without modification.
Lower 1/3 co-witness positions your red dot optic so it aligns with your iron backup sights when you look through them. If your electronic sight fails, your backup irons remain usable without requiring a separate aiming plane—a practical redundancy on any mission-critical rifle.
Yes. The mount uses a spring-loaded clamp and a single mounting bolt that attach to any standard Picatinny rail. Installation requires no special tools and is straightforward for anyone with basic rifle familiarity.
This model is available in black. The hardcoat-anodized aluminum resists corrosion and wear while maintaining a consistent matte appearance.
Reptilia
Reptilia
American Defense
