OD Green Swivel Stud Adapter To Weaver Picatinny Accessory & Stud Attaches Bipod Light Laser Rail Mount QS Quick Shoe System for Saiga Rifle - 7.62 .308 .410 or Shotgun - 12 & 20 Gauge Mounts to Existing Swivel Stud. Provides a Picatinny Rail Section for Rail-Mounted Accessories such as Grips, Bipods, Lasers, Lights etc. Features A Side Swivel Stud To Maintain Continued Use of Stud Function Easy to Install. Weight - 3oz. Color - Tan