One of the best replacement trigger groups for you AR built right here in the USA. Smooth and crisp, breaks like glass trigger that is a drop in replacement, backed by one of the best warranties out there....lifetime.

Timney trigger for AR-15
Fits small pin .154"
Solid trigger
Preset at 3 lbs from factory
Easy installation 100% true drop in fit
The trigger module installs using your rifles original hammer/trigger pins
Proprietary design eliminates pin rotation and walkout
Replace creepy two-stage triggers with one that is smooth and breaks clean