Glock ThumbLock Gen 3/4

Utility “Patent Pending” Attachment Design Glock 17/34 Gen 3/4 Model and Variants Replaces Trigger Pin and Locks in Takedown Slot Extra Long pin for tool less use:  Push out till flush against frame to access take down lever. Rotate to access take down lever. *Recommend using factory length take down lever Optimal angle for recoil control and consistent index 2 Piece Design:  Stainless Steel Pin and Aluminum Thumb Pad Supplied with ThumbLock and Skater Thumb area Tape  USPSA Limited Optics Legal Only for Now Due to large variants in Polymer tolerances. Some frames might need gunsmith fit. Install and removal simply by moving slide release lever up and down and pushing on ThumbLock pin.