To be purchased in conjunction with HK Fastener or QRD. The Universal is a non-releasable weapon sling that attaches to the back of a rig using the MOLLE webbing. This sling is designed for non-releasable platforms and provides a rugged 1 point sling to secure your weapon. The Standard has two weapon retention systems sold separately. This sling is non-releasable. Use with a releasable armor carrier will prevent the release mechanism from working correctly.