The Sling Mount for Picatinny Rail, made of 7075T5 Aluminum and Type II Level 3 anodized in black, as its name implies, allows any standard size sling mount to be mounted to a Picatinny rail. Due to its highly precise design, it is not just strong but extremely lightweight, 4.4gram/ 70 grains. It comes standard with a custom-made GR5 Titanium tightening screw for an unobscured and flawless finish.