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TriggerTech AR15 Diamond Flat Blk/Red Two Stage Trigger AR0-TRB-14-NNF


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The TriggerTech AR Diamond Trigger is an adjustable trigger designed to enhance the accuracy and precision of an AR for top competitors, long range shooters and enthusiasts looking to improve their shooting. Featuring Frictionless Release Technology™, this drop-in AR trigger has a short, two-stage action, that provides a true zero-creep break, extremely short overtravel, a sub 0.030" tactical reset and offers outstanding reliability, even in the harshest environments. Due to there being truly zero creep, most shooters report the pull weights feeling ~0.5lbs lighter than a friction based trigger of the same measured pull weight. Changing the pull weight does not affect hammer force so you get dependable primer strikes at every weight. As Frictionless Release Technology™ does not rely on coating, polishing or lubricating the key engagement surfaces, trigger pulls will be more consistent from shot to shot.

Intended Use: Long range, 3 Gun, competition, precision shooting, harsh environments, law enforcement, military, target shooting, varmint hunting

TriggerTech Trigger Control Details

  • Trigger Lever Type: Straight/Flat
  • Trigger Action: Short Two Stage Action, designed to feel like a 1911
  • Creep: 0.000"
  • Overtravel: < 0.015"
  • Take Up Distance: 0.035"
  • Reset: < 0.030"
  • Reset Feel: Tactile mid force
  • Hammer Strike Force: Full
  • 1st Stage Weight: 4 oz
  • 2nd Stage Weight: 20 oz - 3.75 lbs
  • Total Pull Weight: 1.5 lbs - 4.0 lbs
  • Pin Size: Standard Mil-Spec Pin (0.154")
  • Weapon Platform: AR 15 Bolt Action Rifle
  • Housing: 7075 Annodized Aluminum (Red)
  • Key Components: 440C Stainless Steel
  • Trigger: PVD Black (Physical Vapour Deposition)

Download the installation manual here.

Note: The installation guide is directed to experienced professional gunsmiths who understand the workings of their AR rifle and know how to fully detail strip the lower receiver. If you do not have these skills, it is strongly suggested that you retain the services of a competent professional gunsmith to install your trigger, and perform all important safety checks.


  • Trigger Pull Weight 1st Stage Weight: 4 oz
    2nd Stage Weight: 20 oz - 3.75 lbs
    Total Pull Weight: 1.5 lbs - 4.0 lbs
  • FitsAR15
  • HandednessAmbidextrous
  • Trigger Bow Type:Straight/Flat
  • Trigger Pull Weight (High):4-4.9 lbs
  • Trigger Pull Adjustable:Yes
  • Item ConditionNew
  • Product TypeTriggers
  • UPC885768000864

Customer Reviews

Average Rating
March 12, 2020

I was a little hesitant to spend the money on this trigger. But I did, and don't regret it in the least. This trigger is by far the nicest trigger I have used. A little on the pricey side, but worth every cent.

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February 7, 2023

Amazing trigger. Easy to install. Standard pins work fine do not move die to design. The trigger itself is great. Almost no take up to a solid wall and a clean crisp 1.5 lb break. I have a geissele ssa-e as well and this has a crisper break. Highly recommend for precision / hunting setups.

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December 10, 2022

I replaced a mil-spec trigger with this. I really like the way this shoots both quickly and especially when attempting precise shots. Easy to install and adjust. I was reluctant to spend $$ on this trigger, but now I am happy that I did.

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July 18, 2022

I have tried just about all the triggers available and Trigger Tech stands above them all. The Diamond is their top of the line and I agree as this is my favorite trigger for accuracy work. The feel, break and reset of their triggers are amazing as well as the adjustable pull weight. It makes every gun I put one in a better shooter. I have recommended this trigger to friends and they are all happy with theirs. TT tech support is 1st class also as I have always got a quick reply from them and they are very friendly and informative. It's very worth the $$$. A+++

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April 9, 2022

Trigger pull is amazing! If you like to shoot fast the reset isn’t as solid but for precision shooting with an AR15 it’s honestly one of the best triggers you could buy. My geissle safety selector just barely drags on the rear of the trigger. You may want to order the diamondtech safety selector to accommodate the trigger so you don’t have this issue. Maybe europtic could offer a package deal wink wink.

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December 11, 2021

The Trigger Tech Diamond trigger is my favorite 2 stage trigger by far and I own or have tried out most of the other 2 stage AR trigger out there. The smooth, glass breaking feel of it as well as the shoe shape all make it fit like a hand in a well worn glove. I also love the adjustable pull weight. This is the top of the line for 2 stage AR triggers as far as I'm concerned and when I saw this sale I picked one up for a 6.5 Creedmoor build I'm getting together. The have great tech support also. If you like precision shooting then the Trigger Tech Diamond is the top of the mountain.

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December 11, 2021

I had bought one last year, and found it to be an outstanding trigger. The small screws in the back for snugging the down the trigger are easily accessible. Have not adjusted the trigger, since I found the factory setting to be satisfactory. Under 2 lbs. I ordered two more this year due to the sale price. Also have the combat trigger (non-adjustable). Trigger pull is under 3 lbs. All two stage triggers, which is a feature I appreciate.

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