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Timney built its reputation on rifle triggers, and the Alpha Competition brings that same precision-machined feel to your large frame Glock. This is a full drop-in trigger group designed for Gen 3 and Gen 4 pistols chambered in 10mm and .45 ACP, meaning models like the G20, G21, G29, G30, G40, and G41. The heart of the upgrade is a straight aluminum trigger shoe with an anodized silver safety blade, paired with a Teflon nickel (NP3) coated sear and trigger bar that cuts friction down to almost nothing. The result is a trigger that feels closer to a tuned two-stage than anything that came out of the factory box.
Where the stock Glock trigger feels like squishing two carrots together, the Alpha gives you a light take-up, a firm defined wall, and a crisp break with minimal creep. Factory pull weight comes in right at 3 pounds, and reviewers with trigger scales consistently confirm it measures true. Timney pulled this off by reworking the sear and trigger bar geometry so the striker sits fully cocked, which is exactly why the break is so short and clean.
This one uses all your stock Glock parts and springs, so there's no need to hunt down extra components or send anything off to a shop. The kit ships with two trigger return springs, including a heavier red spring. If you like the firm, positive reset of a stock Glock or you want to keep reset speed snappy for fast strings, the red spring is a smart place to start. All three factory Glock safeties stay fully functional after the swap.
This is a purpose-built competition and range trigger, and that's where it shines. Folks running USPSA, steel, or just chasing tighter groups at the range are the ones who get the most out of it. Timney backs it with their lifetime warranty, and every unit is machined, hand-assembled, and tested in Phoenix, Arizona.
It's built for large frame Gen 3 and Gen 4 Glocks chambered in 10mm and .45 ACP. That covers the G20, G21, G29, G30, G40, and G41 along with their SF variants. It's designed for factory Glock pistols, so keep in mind that Polymer 80 and other aftermarket frames can have tolerance differences that affect fit.
No, this is a drop-in job you can handle at home. It uses all your stock Glock parts and springs, so there's nothing extra to source. Most folks find the swap straightforward with basic punches, and reviewers regularly mention easy installs and quick range trips right afterward.
It feels like a tuned two-stage, with a smooth take-up, a firm and defined wall, then a crisp break with very little creep. The 3-pound pull measures true on most trigger scales, and the striker sits fully cocked, which is what gives it that short clean break. It's a big step up from the vague, spongy factory Glock feel.
Timney includes a standard spring and a heavier red spring so you can dial in your reset feel. The red spring gives a firmer, more positive reset that competition shooters often prefer for keeping reset overtravel down. If you like the snappy reset of a stock Glock, starting with the red spring will feel more familiar.
| UPC | 081950753710 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | ALPHAGLOCK34LRGSILVR |
| Color | GLOCK GEN 3/4 LARGE FRAME |
| Length | 7.7000 |
| Model | |
| Product Type | Trigger |
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