Details
Details
The CMC Triggers AR-15/AR-10 Flat Drop-In Trigger is the original drop-in single stage trigger that revolutionized the AR platform. Engineered for shooters who demand precision and reliability, this 3.5 lb single-stage trigger delivers a clean, crisp break with every pull. Its patented flat trigger bow promotes consistent finger placement and a linear feel, enhancing shot-to-shot accuracy. CMC’s proprietary machining delivers industry-leading sear engagement surfaces with an ultra-smooth 1–2 RMS finish—far superior to conventional EDM methods—ensuring enhanced safety, durability, and performance. Whether you're building a duty rifle, competition gun, or home defense setup, this trigger drops in easily and elevates your AR’s potential with professional-grade results.
Features:
- Single-stage drop-in trigger with 3.5 lb pull weight
- Patented “Signature” flat trigger design for consistent, linear feel
- Precision-machined sear engagement surfaces with 1–2 RMS finish
- Superior safety and reliability with 6–8x sear overlap vs competitors
- Fits AR-15 and AR-10 platforms
- Easy drop-in installation—no gunsmithing required
- Ideal for tactical, competition, and precision shooting
- Made in the USA by the original drop-in trigger innovator since 2003
Specifications
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
80 reviews
CMC 3.5 trigger
by A.C.
Just like it says, breaks like glass. This has to be the cleanest break I’ve ever pulled. The reset is not the greatest. If you’re looking for tactile trigger. Look no further. I wasn’t sure if I was going to like this style of trigger. But I like it a lot. It my second favorite trigger right now. Definitely recommendable
Great trigger
by Nicholas -
This trigger is very crisp and tactile with zero take up and a very short reset it’s fast and it works what’s more to say also I’ve seen my accuracy double with it be aware what your getting though compared to a standard GI mil spec trigger this thing scary light the first few shots surprised me so training is necessary but what you can accomplish once you master it is well worth the purchase
My favoriite trigger
by Kit -
Great value, function, and quality not to mention easy to install. Will be getting the 9mm version soon!
Flatty is NOICE!
by Rockie got a gat -
TLDR- crispy carrot break good, flatty feel NOice on finger.
Listen, CMC has a special place in my heart bc they work, they look good and run sales more than ROSS. You don’t have to be rich to afford them just order from PA and your good to go! Not that you’ll need them but CMC customer service is above any trigger manufacture they are willing to help you out (it was my fault that time and they still fixed my problem). I wish I had more than 1000 words to tel you how these triggers let me shoot tighter groups, faster, reliable, tactile feels good and looks great!
A second one
by Kit -
This is my second one of these and can't say enough good things about them. Easy to install and function is great.
Round 2
by Tek
Had 1 of these come on a prior purchase and when the time came around to complete a new build wasted no time buying another one. Easy to install and functions great.
Nice Trigger!
by Mike K.
Picked one up to replace the stock trigger in my M&P15. Very simple install, and it made a big difference. Highly recommended.
CMC 3.5 lb AR 15 flat trigger
by Herbert Pruett
Received the trigger. I have never had an item delivered this quick. I ordered it Tuesday afternoon and it was here Thursday morning. I installed it which was very easy and it is awesome. Should have done this a long time ago. The hogs are in real trouble.
A really nice trigger
by Pedro -
I got this trigger on sale and it was well worth the money. It has a really nice clean break that is very light but not too light. I did run into some issues installing the anti-walk pins due to the FDE coating on the lower, but once I hammered them in with enough force they went right in. I recommend lubing the pins with gun oil for easy insertion. Would buy again.
Improvement over stock
by Dillon -
Very smooth pull and reset, easy to install. I'm considering adding this to my other builds