AIM Sports Inc Sling Rail Mount W/Quick Release Push Button Swivel Black Small. The AIM Sports Sling Rail Mount w/ QR Push Button Swivel is built of rugged aircraft aluminum with a durable black anodized finish to provide years of good looks and great service. Specifications for AIM Sports Sling Rail Mount w/ QR Push Button Swivel: Length: 2" Weight: 1.8 oz. Features of AIM Sports Inc Sling Rail Mount W/Quick Release Push Button Swivel Black anodized aircraft grade aluminum Quick detach / push button swivel Mounts to all standard Weaver / Picatinny 1913 rails Package Contents: AIM Sports Inc Sling Rail Mount W/Quick Release Push Button Swivel AIM Sports Inc MT030: Sling Rail Mount W/Quick Release Push Button Swivel Black Small