The SIERRATAC Sling, by Spiritus Systems. Customers have been asking Spiritus Systems for a sling for a long time, and they are pleased to have teamed up with SIERRATAC to provide you with one of the best slings on the market. The Sling was developed, and field tested by professional end users in both the LEO and Military realms. Every detail of the sling was meticulously thought out to provide the end user with an optimal solution for securing their weapon. Make no mistake, this sling was designed with real world operations in mind. Notable Features SIERRATAC Proprietary Billet Aluminum Slider allows for quick tension adjustment to the sling without the inher Mfg: Spiritus Systems