Tac-Six Citadel Single- and Double-Point Sling with QD Swivel Black. Whether you prefer a more traditional double point or want a single point style for your MSR. Specifications for Tac-Six Citadel Single- and Double-Point Sling with QD Swivel: Manufacturer: Tac-Six Color: Black Length: 10.75 in Condition: New Features of Allen Citadel Single- And Double-Point Sling w/ QD Swivel Push Button Swivel Attachment on One End Security Clip on the Other End Adjustable Length Package Contents: Tac-Six Citadel Single- and Double-Point Sling with QD Swivel Tac-Six 8491: Citadel Single- and Double-Point Sling with QD Swivel Black