American Defense modular quick detach base engineered for full-size ACOG optics. Features patented auto-lock system for secure, repeatable mounting on tactical rifles.
The American Defense AD-B3 is a modular quick detach base designed specifically for full-size ACOG optics. This mounting solution combines tactical functionality with the reliability shooters demand in the field.
Whether you're running a precision rifle, tactical carbine, or hunting platform, this base delivers the dependability you need. The auto-lock system eliminates wobble and guesswork—your optic stays put when it matters most.