Originally Posted by
John Hearne
A lot of this goes back to what you're doing with the gun.
To me, the single point has a fairly narrow niche - for when the gun is in your hands 99.99% of the time and the sling is strictly to keep the gun on you when you transition. As a short term tool in a strictly CQB environment, I can see how the single point might work for some. For long hours of carrying a carbine, the single point sucks. I once did it 12 hours a day for fourteen days straight. I immediately ditched the single point when I got home. Not mentioned with the single point is that the gun ends up covering your own feet. I no longer remember the hard numbers but when you examine ND's with injuries overseas, the most common problem is rifle discharge into the feet. The culprit - single point slings and gear knocking the gun off of safe.
Once your carbine is for more general use, the two point really shows its merit. If the gun is carried for any extended period of time, the padded two-point is hard to beat. I have also found the quick-adjust two-point very handy as a shooting aid at distance. The fact that the gun hangs in a manner that minimizes muzzling also appeals to me. I don't do a lot of shoulder swapping but generally the slack in a two point worn over a shoulder is enough. If I know I'm going to be swapping a lot, then I have run it over my neck as a temporary measure.
I have a Magpul sling that converts from single to double but haven't had enough time to play with it yet.