Timney UBK Pivot Trigger Builder’s Kit for Glock Gen 3/4

The Timney UBK Pivot Builder’s Kit is a purpose-built trigger assembly intended for compatible Glock Gen 3 and Gen 4 medium-frame, double-stack pistols. It pairs a straight aluminum trigger face with an internal pivoting safety and NP3-coated components intended to reduce friction and resist corrosion. The kit lists a trigger pull range of 2.5–3 lb and includes stainless steel striker and connector components. This assembly is aimed at shooters seeking a high-quality, drop-in style trigger replacement for applicable Glock frames.

Key Specifications

• The kit is compatible with Glock Gen 3 and Gen 4 pistols.
• The trigger pull is 2.5–3 lb.
• The trigger is made from aluminum.
• Includes NP3-coated trigger bar, sear, and safety plunger.
• Features a straight aluminum trigger with an internal pivoting safety.
• Includes a stainless steel striker and connector with NP3 coating.
• Designed for medium-frame, double-stack Glock pistols.
• Model is the Ultimate Builder’s Kit.
• Packaged dimensions are 2.30 x 5.05 x 7.80 inches.
• Finish/color listed as GLOCK GEN 3/4.

This Timney UBK Pivot Builder’s Kit delivers a durable, serviceable trigger solution with corrosion-resistant coatings and a proven mechanical design. It provides a clean trigger face, consistent pull weight range, and the component compatibility expected from Timney’s Glock-oriented product family. For shooters looking to upgrade the trigger feel and reset characteristics of compatible Glock Gen 3 and Gen 4 frames, this kit offers a professional-grade replacement that integrates established materials and coatings for reliable service life.