The Monstrum 7075 Pro Series Sling Mount with QD Sling Swivel is a modular sling attachment point for Picatinny standard platforms. The sling swivel attaches toward the front of the barrel and is compatible with 2 point slings only. The sling head can be attached and removed instantly from the base via the push button quick detach mechanism. The swiveling head provides free rotation of sling while remaining securely fastened to base. Constructed from lightweight 7075 grade aluminum. 7075 aluminum is lightweight like 6061 aluminum yet rates significantly stronger in terms of Brinell Hardness, Tensile Strength, and Shear Strength. All Monstrum mount and accessory products come with a lifetime guarantee.