This aftermarket MT070 Absolute Co-Witness Base Mount for Aimpoint T1/H1 Tactical Red Dot Sights features a machined recoil lug for consistent, repeatable mounting. Compatible with Aimpoint T1 / H1 Series optics. Made from 6061 T6 aluminum black anodized with Machined recoil lug. Style Absolute Co-witness. Compatible with Aimpoint T1 / H1 Series optics.