Awesome, fits my ar9 lower perfectly and just make sure to buy more magazines - Fostech Echo AR-II Drop-In Binary AR-15 Trigger

I owe the franklin armory trigger and it is the most fickle thing I’ve ever owned. So on my ar9 build I figure I would try this out. I so glad I did. It works 100% of the time and while it might be a little stiff there is a simple way to change one spring (or cut two coils off the factory) and it drops the trigger pull to 4.5 and 5.5 vs 6.5 and 7.5. Just make sure you buy extra mag cause you will be spending more time reloading than shooting if you don’t just take 10 40 round mags to start off with. I take 10 40 round mags two pro mag 50 drums for my ar9 and run through it in under an hour