Fortis Manufacturing F1 Optics Mount - Absolute Co-Witness Black. Fortis Manufacturing constructed these Red Dot Sight Mounts from aircraft-grade aluminum that's durable yet lightweight. This OP Exclusive Fortis Manufacturing F1 Sight Mount - Absolute Co-Witness is also Type III hard coat anodized for superior resistance to corrosion and wear. The tan model is an exclusive version of this mount that you can only get right here at OpticsPlanet. Pick up an OpticsPlanet Exclusive One-Piece Fortis Manufacturing F1 Optics Mount - Absolute Co-Witness to mount a sight onto your firearm. Specifications for OpticsPlanet Exclusive Fortis Manufacturing F1 Optics Mount - Absolute Co-Witness: Manufacturer: Fortis Manufacturing Color: Black Finish: Anodized Fabric/Material: Aircraft Grade 6061-T6 Aluminum Red Dot Sights-Footprint: Not Applicable Attachment Type: Picatinny Optic Cut: Not Applicable Weight: 1.3 oz Condition: New Features of OpticsPlanet Exclusive Fortis Manufacturing F1 Optics Mount - Absolute Co-Witness: Available exclusively from OpticsPlanet One Piece Billet Design Slotted Screws Attachment Aircraft Grade 6061-T6 Aluminum Military Specification Type III Hard Coat Anodized Logo on both sides Lightweight 1.3oz Absolute Co-Witness Compatible with Aimpoint Micro T-2 H-2 T-1 H-1 & Aimpoint CompM5 Vortex Crossfire & Sparc II Sig ROMEO4 (H/S/T) & ROMEO5 Primary Arms Micro Holosun Micro Will work in conjunction with 3x magnifiers Blue threadlock OpticsPlanet Exclusives Package Contents: OpticsPlanet Exclusive Fortis Manufacturing F1 Optics Mount - Absolute Co-Witness blue threadlock Fortis F1 Optics Mount is designed to work in conjunction with Aimpoint's popular Micro H-1 or T-1 optics. The F1 Optics Mount is designed to attach to your flat top upper receiver. Its lightweight low-profile is one of the lightest designs out there at 1.3oz. The Fortis F1 Optics Mount features an innovative design by extending the optic forward for faster target acquisition. It secures to any MIL-STD-1913 Picatinny Rail with two slotted machine screws. Will work in conjunction with 3x magnifiers. Features/Specifications: One Piece Billet DesignSlotted Screws AttachmentAircraft Grade 6061-T6 AluminumMilitary Specification Type III Hard Coat AnodizedLogo on both sidesLight weight 1.3ozAbsolute Co-Witnessmade in specialized factories Included Accessories: blue threadlock