Push button design for quick detachment.Easily attaches with our stocks (SRS / ARS / CBS) or the sling swivel (OPSMP).Position properly & secure.Design for left/right handed users.No gunsmith required • Mill-standardEligibilityFor SRS/ARS/CBS/OPSMPMaterialMade Of Aluminium MeasurementsWeight (gr) 25Length (cm) 4.1Width (cm) 2.2