Self-centering Tri-rail base 11mm dovetail for mounting optics Mounting surfaces on 3 sides 6 hex screws secure the rail For AirForce Airguns Condor, Talon & Talon SS air rifles & TalonP air pistol Full-length clamping guarantees a rock-solid foundation for your airgun accessories. Made for AirForce sporting air rifles and the TalonP air pistol, the Tri-rail lets you load up your air gun with lots of accessories that make hunting and shooting a lot more fun...and also increases accuracy.