Originally Posted by sd_shooter
Google around for the standard AR trigger assembly instructions. You don't actually have to remove the safety selector, it's enough to just slide the trigger group pins out and put in your new springs.
It's very easy once you see how it all fits. Just take a good look at how the existing parts are in there.
Thanks I found some youtube vids from S&W forum and got the springs in no worries. Now just to have some time to go and shoot it. Thanks