Keep your ACOG working like new with genuine factory parts. These particular windage/elevation caps are designed to fit on the ACOG's which have a higher profile turret. The caps are threaded and are connected with a lanyard to keep them from getting lost.
Specifications and Features:
Trijicon ACOG External Adjuster Caps/Lanyard TA71E
Two caps and one lanyard
Fits finger adjustable ACOG Windage/Elevation turrets
ACOG units with High Profile external windage and elevation adjustments