Description
The stock Glock trigger gets the job done, but nobody has ever called it crisp. The Timney Alpha Competition trigger for Glock Gen 5 large-frame pistols fixes that with a factory-set 3-pound pull and a clean, predictable break, all while keeping the reliability Glock built its name on. It's a drop-in upgrade that fits the big-bore Gen 5 models chambered in 10mm and .45 ACP, specifically the Glock 20, 21, 29, 30, 40, and 41.
What Sets the Alpha Competition Apart
What makes this one feel so good is the treatment on the internals. Timney coats the trigger bar and sear in Teflon nickel (NP3), which cuts friction to almost nothing and gives you that smooth, glassy takeup right into the break. The trigger shoe itself is a straight aluminum design with an integrated safety blade, finished in anodized bronze for a look that stands out in the frame. Every unit is hand assembled, tested, and calibrated at the Timney shop, and it carries their lifetime warranty.
Installing the Alpha in Your Large-Frame Glock
The big selling point here is that no gunsmith is required. It's a drop-in job that uses all your existing stock Glock parts and springs. One thing worth knowing going in: Timney relocated the trigger return spring to wrap around the trigger pin, so getting it seated and aligned correctly takes a little patience the first time through. Take your time, watch a install video if it's your first Glock trigger swap, and you'll be rewarded with a reset and break that feel like a whole different pistol.
Built to Take a Beating
This trigger was made for competition and hard range use, and the durability backs that up. In independent testing, an Alpha Competition trigger ran 10,000 rounds with no oiling, no cleaning, and zero malfunctions. Keep in mind it's designed for stock Glock pistols; aftermarket frames like Polymer80 builds can have tolerance differences that cause fit issues, so this is a factory-Glock upgrade through and through.
Key Specifications
- Manufacturer: Timney
- Model: Alpha Competition
- Manufacturer Part Number: Alpha Glock 5-Large-Bronze
- UPC: 081950755684
- Product Type: Trigger
- Color / Finish: Bronze (Anodized)
- Pull Weight: 3 pounds (factory set)
- Trigger Shoe: Straight aluminum with safety blade
- Coating: Teflon Nickel (NP3) trigger bar and sear
- Fits: Glock Gen 5 Large Frame (10mm / .45 ACP): 20, 21, 29, 30, 40, 41
- Installation: Drop-in, uses stock Glock parts and springs
- Length: 7.7 in
- Warranty: Timney Lifetime Warranty
- Made In: USA
What’s Included
- Timney Alpha Competition trigger assembly (trigger shoe with bar and sear)
Frequently Asked Questions
Which Glock models does the Alpha Competition large frame trigger fit?
It's built for Gen 5 large-frame Glocks chambered in 10mm and .45 ACP. That covers the Glock 20, 21, 29, 30, 40, and 41. It is not the right trigger for the standard 9mm/.40 frame models like the 17 or 19, which use the separate small-frame Gen 5 version.
Do I need a gunsmith to install the Timney Alpha trigger?
No, it's a drop-in design that uses all your existing stock Glock parts and springs, so no gunsmith is needed. That said, Timney moved the trigger return spring to wrap around the trigger pin, and getting it aligned right can take a couple of tries. Go slow and follow an install video and you'll be set.
Will this Alpha Competition trigger work in a Polymer80 or other aftermarket frame?
It's designed and tested for factory Glock pistols only. Aftermarket frames like Polymer80 builds can have enough tolerance variation to cause safety blade or reset problems. If you're running a stock Glock, you're in good shape; if it's a custom frame, this trigger may not play nice.
How durable is the Alpha Competition trigger for high-round-count use?
It's made for competition and hard range days. In independent testing, an Alpha Competition trigger fired 10,000 rounds with no oiling, no cleaning, and zero malfunctions. It's also hand assembled, calibrated, and backed by Timney's lifetime warranty.




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