Sling Sleeve Features The Sling Sleeve(TM) is a 5" long tube of military grade elastic that holds your sling neat and snag-free but remains ready for instant deployment. To use thread your sling through the Sleeve and then mount the sling to your rifle. "Z fold" your sling taut and slip the Sling Sleeve over the bundle. To deploy simply grab the sling and pull. Sling Sleeve Specifications for Vickers Combat Applications Slings for 2 sloings