Action Enhancement Kit for Slim Frame Glock®

If you’re shooting a slim-frame Glock and wish the trigger didn’t stack and stack before it breaks, this Action Enhancement Kit is exactly what you’re after. It replaces the factory trigger, trigger bar, and connector with matched components that give you a shorter, smoother pull with a crisp rolling break at about 4.5 pounds. No more fighting through that gritty, long take-up — just a clean press and a quick reset that lets you stay on target.

Will this fit my gun?

This kit is designed specifically for Glock slim-frame pistols. It fits the following models:

• Glock 42 (in .380 Auto)
• Glock 43 (9mm)
• Glock 43X (9mm)
• Glock 48 (9mm)

Please note: This kit will NOT fit the Glock 43X/48 MOS versions with the factory optic-cut slide without minor modification to the trigger housing. If you’re unsure, give us a call — we’re happy to help you sort it out.

Key features

• Drop-in installation — no filing, sanding, or fitting required. Open the box, swap the parts, and you’re done.
• Reduced pre-travel and over-travel — the trigger moves less before and after the break, which means less wasted motion.
• Shorter, more positive reset — you’ll feel and hear a distinct click when the trigger resets, making fast follow-up shots easier.
• Center-mounted pivoting safety — maintains the factory safety values, so the trigger won’t fire unless you intentionally pull it.
• Drop-safe tested — dropped from 6 feet onto concrete in 27 different orientations, plus hot and cold extremes. This kit is built to keep you safe.
• Made in the USA — 100% manufactured in Phoenix, Arizona.

Install difficulty

Difficulty: 2 out of 5 — about as easy as a trigger job gets.

Tools needed: A punch (or small paperclip) to push out the trigger pin, and a small flathead screwdriver to depress the trigger spring. If you’ve ever detail-stripped a Glock, you can install this in 10 minutes. If you haven’t, we’ve got a video on our site that walks you through it step-by-step.

Frequently asked questions

Will this kit work with my factory holster?

Yes. The trigger shape is very close to factory dimensions, so it fits most holsters designed for your slim-frame Glock. The safety sits flush with the trigger shoe, so it won’t snag or hang up on holster material.

Is this a competition-only trigger, or can I carry with it?

This trigger is designed for everyday shooters and defensive use. The 4.5-pound pull weight is lighter than factory, but still within safe carry range. The rolling break (rather than a hard wall) takes some getting used to, but many shooters prefer it for fast, accurate shooting under stress.

What’s the warranty on this kit?

This kit carries a limited lifetime warranty against defects in materials and workmanship. If something breaks or wears out prematurely, we’ll take care of you. Just give us a call or send us an email.

Shipping: We ship all orders within one business day. Free shipping on orders over $50 within the continental US. Warranty: This kit is backed by a limited lifetime warranty — if it fails due to a manufacturing defect, we’ll replace it, no questions asked.