Uronen Precision Modular Trigger Group for AR-15 -The Firearm Blog

Heads up all AR-15 competition shooters! The Uronen Precision Modular Trigger Group has been available for a while, but is now tested on the Rifle World Shoot with great results.

I don’t know how many of the top shooters that use it, but more than a few in Europe.

According to the owner of the company Hannu Uronen his trigger group features:

Adjustable for 1-stage or 2-stage function.

Pull weight with regular springs 400-1100 grams. (That’s about 0,88 lb – 2.4 lb!)

Super crisp feeling.

The reset is less than 1mm.

Curved or straight trigger.

Shortest “Lock time” on market – Due to 9 gram hammer, where most of the weight is on bottom.

(I guess another word for the “lock time”, is “trigger group reaction time”)

Available for .154″ and .170″ pins

Adjustments have locking helicoil elements.

There are several different springs available, for the pre-travel as well as for the sear.

All together there are 9 different spring setups, plus various adjustments to be made.

The heaviest setups are usually used only in .458 Socom and Tactical rifles.

Uronen himself uses 500 grams trigger pull.

The trigger is Made in Finland, except some screws and helicoils.

The trigger pins only holds the module in lower receiver, so the hammer and the trigger rotate within the module – there is no stress to the receiver.

Light pull and very crisp feeling without bump-fire sensitivity, plus super short reaction time etc has been reached with best materials and unique design.

Kim Leppänen, Top Finnish shooter. He’s the current Standard Manual IPSC Shotgun World Champion and finished fifth at Rifle World Shoot where the video and the quote is from. You can see Kim shooting at a swinger, using an Uronen AR15 rifle with the trigger.

If you don’t know what to do for swingers, you can always spray and pray! I got answer for my praying in this spray

Link to Facebook Video: https://www.facebook.com/kimleppanensport/videos/1899132617009407/

Johan Hansen, who finished 4:th in Semi-Auto Open Senior at the World Shoot, is using the Uronen Trigger as well.

I managed to get a few quick photos of his setup as he was training for the World Shoot. Please excuse a somewhat dirty rifle, but it’s an AR-15 that sees a lot of use and not a safe queen.

This rifle is set to around 500 grams. Way too light for me (at least my current preference).

I tried the trigger on a few paper targets, the setup was too light (around 400-500 g) for my liking but this is a matter of personal preference and – not to forget – training. Almost before you think about jerking the trigger, the .223 leaves the barrel. It was quite nice at the long range, 300 meters, shooting prone with bipod.

The trigger sells for 395 Euro (around 440 USD), so it’s not on the cheap side. The aim according to Uronen was to build the best competition trigger.

If you’re interested you can find the trigger in this webshop, to my knowledge they ship internationally: Uronen Precision Modular Trigger Group, AR-15.

Which trigger is your favorite and what trigger pull are you comfortable with?

Update: There was a statement about which trigger Mr. Teemu Rintala was using. Toclarify, Mr. Rintala is in no way associated with Uronen Precision.

Uronen Precision Modular Trigger Group for AR-15

Eric B