Punch the full name into a search engine.
There's like 10 different places selling it for the same price.
Oh, and I went looking because it was bugging me:
There are .mil NSN's for 3 point slings, but, they are all listed as 'acceptable aftermarket' not 'standard issue'
(as in like pmags, you can have them, they won't issue them)
One of the top quality manufacturers of 3 points recognized on the list?