Thats where I put my sling but I didnt get a magpul ambi, I got a left side one from my local gun shop, works great just had to put something over the hook point to help keep noise down.
"This is my rifle, there are many like it, but not for long" -Me
"Aim small miss small" -Mel Gibson "The Patriot"
"If at first u dont succeed, you didnt aim well enough." - Me