Action Enhancement Kit for Slim Frame Glock®

This Action Enhancement Kit for Slim Frame Glock® pistols replaces the factory trigger mechanism bar, trigger shoe, and connector with a matched set of drop-in components engineered to reduce take-up, over-travel, and reset distance. The kit delivers a clean, rolling break at approximately 4.5 lbs., eliminating the gritty, stacking pull common to factory Glock® triggers while maintaining a centered, pivoting safety that preserves OEM safety values.

Compatibility

• Glock® 42 (all generations)
• Glock® 43 (all generations)
• Glock® 43X / 43X MOS
• Glock® 48 / 48 MOS
• Glock® 43X / 48 with rail (Gen5 slim frame variants)
• Not compatible with standard/double-stack Glock® frames (G17, G19, etc.)

Key Features

• Pull Weight: ~4.5 lbs. measured on standard trigger-pull gauge (actual weight varies with spring condition and lubrication)
• Reset: Short, positive tactile and audible reset – measured at approximately 0.1″ from full break
• Pre-travel Reduction: 60% reduction vs. factory Glock® trigger bar
• Over-travel: Minimal – set by connector geometry; no additional over-travel stop required
• Break Character: Rolling, not a crisp single-action wall; designed to mimic a tuned 1911/2011 trigger feel
• Shoe: Flat-faced or curved (select variant) with centered, spring-loaded safety tab
• Materials: 17-4 PH stainless steel trigger bar, MIM connector, 6061-T6 aluminum shoe
• Drop Safety: Tested per manufacturer protocol – 6′ drop onto concrete, 27 orientations, plus 6 drops each at 120°F and 0°F
• Manufacturing: 100% CNC-machined and assembled in Phoenix, AZ

Install Difficulty: 2 / 5

Direct drop-in replacement – no fitting, filing, or polishing required. Standard tools: Glock® disassembly tool (or punch), small hammer, and a non-marring surface. Detailed instruction sheet included in package. Average install time: 15–25 minutes for first-time user.

FAQ

Does this kit require any permanent modification to my Glock® frame or slide?

No. All components drop directly into factory Glock® slim frame lower assemblies. No frame modification, slide modification, or trigger housing stoning is required. Return to factory configuration by reinstalling the OEM parts.

Will this trigger work with my +P or defensive ammunition?

Yes. The kit is designed to function with all SAAMI-spec 9mm Luger and .380 ACP ammunition, including +P loads. The center-mounted safety tab and connector geometry maintain positive striker engagement and sear clearance. The rolling break does not create a false reset or hammer-follow condition.

Why is the break described as “rolling” instead of a crisp wall?

This is a characteristic of the Glock® striker-fired system. Unlike a single-action hammer-fired trigger, the striker is partially pre-loaded by the slide cycle. The kit uses a curved connector ramp that provides a smooth, stacking pull into a clean break with no perceptible wall. This reduces trigger pull weight while keeping the trigger bar in full contact with the connector until release.

Shipping: All orders ship within 1 business day from Phoenix, AZ. USPS Priority and UPS Ground options available. Warranty: This component carries a limited lifetime warranty against manufacturing defects. If it breaks or fails due to material