tacticalcoyote,
I am using a Blackhawk Industries SWIFT sling for the M4 with collapsible stock and side sling adaptor. The product number is 70GS04BK. At least that is what is listed on Blackhawks site for the sling I have. It works great. You can sling it up, sling it down, you can adjust the rifle to face any direction you want it to face. I will get you the acutal part number for the one I have because the one I listed before looks like mine but I don't think it is the right one. I edited it to be the right part number. I personally like this sling alot. This is the sling I will have on my M4 this year when I go hunting. I can't wait to go hunting this year. I got my M4 almost completely decked out and ready to go. I just can't wait to see how good of a setup I have got. I plan on spending some time at the gun range making sure my Trijicon TA01NSN is zeroed and up for the task. Thanks Arvin