Polymer Action Enhancement Kit for Glock® - Gen 3/4
Pros & cons
What works
- Reduces trigger pull weight by 1 lb - from 5.5 lb factory to 4.5 lb consistent
- Shortens reset distance by 2.1 mm compared to stock Gen 3/4 triggers
- Maintains all factory safety functions with center-mounted pivoting safety
- Installation requires only 15 minutes with basic armorers tools
Trade-offs
- Matte nickel finish only - no bright nickel option like Apex Tactical offers
- Not compatible with Gen 5 models due to different trigger bar geometry
- Polymer trigger shoe adds 11 mm width - may interfere with some competition holsters
- Does not include striker spring - maximum pull reduction requires additional $25 component
Video review
Expert review
Specs at a glance
About this product
The Polymer Action Enhancement Kit for Glock® - Gen 3/4 is a precision-engineered drop-in trigger system that reduces pull weight by 1 lb while maintaining factory safety values. This kit represents the culmination of 14 years of competitive shooting instruction focused on trigger mechanics as a performance variable. It delivers measurable improvements in pre-travel, reset distance, and break consistency without requiring gunsmith fitting.
What is the Polymer Action Enhancement Kit used for?
This kit upgrades Gen 3/4 Glock® triggers for competition or duty use by reducing pull weight to approximately 4.5 lbs while maintaining all factory safety functions. The system achieves a 30% reduction in pre-travel distance compared to stock configurations and shortens reset by 2.1 mm. I specify these components for USPSA Production division builds where trigger consistency directly impacts stage times.
How does the Polymer Action Enhancement Kit compare to the Apex Tactical version?
The Break Point Armory kit outperforms the Apex Tactical equivalent in trigger bar-to-connector engagement consistency, achieving ±0.02 lb pull weight variance across 500-round tests versus Apex's ±0.05 lb. Our polished Ultimate Safety Plunger reduces friction by 15% compared to their standard offering. However, Apex provides brighter nickel finishes while we prioritize function over cosmetics with matte finishes only.
What does it weigh and what are the dimensions?
The complete kit weighs 42 grams with packaging, featuring a trigger bar measuring 87 mm in length and a safety plunger with 6.35 mm diameter. The polymer trigger shoe adds 11 mm of width to the factory profile while maintaining identical mounting geometry. These dimensions ensure compatibility with all Gen 3/4 holsters without modification requirements.
Who is this NOT for?
This kit is unsuitable for Gen 5 Glock® owners due to incompatible trigger bar geometry and safety mechanism differences. I recommend our CZ P-10 kit for those platforms. It's also not ideal for collectors seeking original factory components or users who prefer heavier 6+ lb trigger pulls for administrative handling.
What's in the box?
The kit contains three components: one polymer trigger with center-mounted pivoting safety, one Gen 3 trigger bar with matte nickel finish, and one polished Ultimate Safety Plunger. Packaging includes our standard armorers' pin set for installation, identical to what we include with the 1911 Ejector Pin Fixture. Total component count is 5 pieces including installation tools.
Is the Polymer Action Enhancement Kit worth it at $90?
At $90, this kit delivers measurable performance gains equivalent to $150+ custom gunsmithing for Gen 3/4 Glock® platforms. The 1 lb pull reduction and shortened reset translate to approximately 0.15-second faster split times in practical shooting scenarios. For competitors seeking Production division compliance without permanent modifications, this represents the most cost-effective trigger upgrade available.
Key attributes
| Compatibility | Glock Gen 3/4 models |
| Pull Weight Reduction | 1 lb |
| Finish | Matte nickel |
| Installation Time | 15 minutes |
| Component Count | 3 |
| Safety | Center pivoting |
| Travel Reduction | 30% |
| Reset Shortening | 2.1 mm |
Frequently asked questions
- Is it compatible with Glock 19 Gen 4?
- Yes, this kit is specifically designed for Gen 3 and Gen 4 Glock models including G19, G17, G22, and G34. The trigger bar uses the same geometry as factory Gen 3 components, which function identically in Gen 4 frames. Installation requires no modification and takes approximately 15 minutes with basic punch tools.
- Does it fit Glock 43X?
- No, this kit is incompatible with single-stack models like G43, G43X, or G48 due to different trigger mechanism dimensions. The trigger bar width is 2.5 mm wider than required for slim-line frames. For those platforms, I recommend consulting our compatibility guide before purchase.
- How long does shipping take?
- Standard shipping via USPS Priority Mail takes 2-3 business days within continental US. International orders require 7-10 business days through DHL Express. All kits ship from our Phoenix facility within 24 hours of order confirmation, excluding weekends and holidays.
- Can I return it if it doesn't fit?
- Returns are accepted within 30 days provided components are unused and original packaging is intact. Customers cover return shipping costs unless the error was ours. Since this is a firearms component, we cannot accept returns on installed or modified parts due to safety concerns.