The AR-F3 (Flattop FastFire Mount) is designed to protect the newer FastFire III but will accommodate older FastFire I and II models. Easy to install on any AR platform, pistol, rifle or shotgun, it's a great accessory for multi-gun shooters. Mounts low enough to use alone or as a co-witness your iron sights. Provides easy access for illumination controls and also features a compartment for carrying a spare battery, open-end wrench and Torx wrench.
Specifications and Features:
Fits any Weaver or Picatinny-style base
Fits Burris FastFire III, FastFire II, and FastFire I
Will work as stand alone sight
Can Co-witness with your iron sights
Spare Battery Compartment
Mount Only, FastFire sold separately