Timney Trigger AR-15 Competition 3lb Single Stage .154"

Manufactured by Timney Triggers
SKU: 667-S
MPN: 667-S
Manufactured by Timney Triggers
72 Reviews

Out of Stock

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Is a Mil-Spec trigger just not performing well for you anymore? Are you missing those easy shots during competition and timing out resulting in the walk of shame back to the starting line? Well not anymore. Improve your split times with the Timney competition AR-15 trigger and never place last in a competition again. This drop-in trigger is extremely easy to install and comes from the factory with a 3-pound trigger pull. It also features a curved trigger bow that but also comes in a flat or skeletonized design depending on your preference. This is extremely important for 3-gun competition where trigger control is what will make or break your time. The reset is also very short, so you can pull the trigger much faster than standard Mil-Spec triggers. This drop-in fire control group is a great option for those looking to improve their speed on the competition line.

  • Single-stage 3 lb trigger pull
  • Fits Mil-Spec AR-15 lower receivers with .154” pins
  • Drop-in design
  • Wire-EDM machined hammer from S7 tool steel
  • Lightweight aluminum housing
  • Heat treated to Rc 56-60 hardness
  • Curved trigger shoe
  • Lightened hammer
  • Made in the USA.

The Timney AR-15 competition trigger is wire EDM machined from heat treated S7 tool steel with an aluminum housing so you don’t have to worry about it breaking after years of heavy use. The single-piece drop-in design is easy to install and is more reliable than standard fire control groups because it keeps dirt and debris from getting inside the mechanism. Each and every trigger is individually tested and calibrated by hand before leaving the factory floor.

This trigger group is non-adjustable to reduce the amount of parts that are potential failure points so you can rely on it in any stressful situation. All engagement surfaces are precision ground to produce a smooth consistent pull that breaks in the same spot every time leading to greater accuracy.

Timney Triggers was founded in 1946 with the mission to bring consumers high quality, precision AR-15 and AR-10 components. They have since built a reputation that resembles this sentiment by providing triggers that are optimized for competition use by competition shooters. If you have an AR, it needs a Timney trigger.
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BrandTimney Triggers
Drop InDrop-In
Manufacturer.Timney Triggers
Total Pull Weight1.5 lbs to 5 lbs
Trigger BowCurved
TypeSingle Stage
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

Ratings & Reviews

72 reviews

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Timney 667-S AR-Trigger 3 lbs


Every thing about the sale and shipping went great. The install was a breeze . But I can not tell you how it works until I fire it and that looks like a week or two yet. If it works like it looks, it will be just fine.

Timney 667-S trigger


I had two other timney triggers before purchasing this model for a Ruger AR556. The other triggers are on a Winchester mod 70 and a customized O3A3 Springfield. Both of the triggers have had absolutely flawless service. I have several friends that recommended other triggers and I believe that other manufactures that have a quality trigger that approaches the quality that timney sets. However my O3A3 has had a timney on it since about 1975 or right at forty years. When I installed the new trigger in my AR556 the difference was impressive, impressive as I expected that is. I ordered the trigger only after searching the web for weeks and finally settled on Primary Arms. I was very pleased with the person I spoke to on the phone. I received e-mails on the verification of the order, when the order was shipped, and also received tracking information on the order. When I received the order there were no surprises, it was exactly what I wanted.

Best AR trigger you can buy


4 years ago I installed a Timney trigger on my first AR-15. Best modification I've ever done to it. My groups are much tighter now. When I saw the price on this one, I couldn't pass it up for my new build. Super simple install and shipping was fast. I highly recommend this trigger to every AR owner out there.



Absolutely love this trigger. No slack, crisp break, short reset.

Timney Trigger


Although i am satisfied with the trigger. I was disappointed that not even a week later I could of got it 15% off from you guys

Great trigger


Awesome trigger, super smoothe break. Good for slow trigger squeezes and really fast hammer pairs. All around great trigger. Super easy to tinstall. Just make sure if you have a polymer lower just call Timney directly. And they'll send you the trigger plate no problem.



Awesome. Runs my 10.5 like a banshee. Bought another for my M4. Once you go Timney You never go Factory. Lol love it. Buy 1.........

timney trigger


Being a long time bolt action rifle shooter I wanted a single stage trigger in my first AR build. It has a bit more creep than my bolt guns but it is perfectly smooth, I feel no catch or increase in pressure before the break. I measured the creep with calipers at .021" compared to .004" to .012" on my "pet" bolt guns. I think the creep must be there for safety. The pull is exactly 3lbs every time according to my trigger scale. I am a very picky and particular person and I am more than satisfied with this trigger. If I'm happy, most likely you will be too! Also I appreciate that Timney is among the very few companies that will share their faith with their customers. To Primary, Thank you for the fair prices, reasonable shipping charges, having what I was looking for in stock and not "processing" my order for 3 days before finally getting around to shipping it. I will be building another AR in the future and I will START here.

Great trigger and great customer service


Bought another sub standard trigger through primary arms. I hated it, they returned it for full credit, so I bought this Timney. I love Timneys and this one didn't disappoint. Should have just bought this one in the first place. Lesson learned.

AR Timney


Crisp and clean break. Great trigger. Primary is a fantastic place to purchase. Great prices and great service. I recommend these guys to friends and family all the time.