Product Name: Vector Optics Steel Quick Detachable Keymod Handguard Picatinny Rail Mount Qd Sling Swivel with Loop Attachment Push Button Sling Holder Gun Accessories Model NO.: SCOT-18 Type: Scope Mount & Accessories Structure: Telescopic Sight Material: Steel Product Name: Qd Sling Swivel Mount Length: 36mm (1.4 Inch, Mount base) Weight (Net): 38g (1.3 Ounce) Ring Height: 44mm (1.7 Inch, Loop Ring) Design: Designed for Real Firearms Mount base Material: 6061 Alloy Aluminum Mount base Accessory: Hex Key, Brief Instruction Proof: Shock Proof Can Be Used on Real Fire Caliber Sling Material: Steel for Push Button Sling Ring Installation: Direct Install on Keymod Handguard Rail Trademark: Vector Optics Transport Package: Individual Gift Box Specification: High Quality Origin: Shanghai, China HS Code: 90059090 Product Description Vector Optics Quick Detachable Tactical Heavy Duty Push Button QD Sling Swivel Mount with Loop Attachment for Keymod Handguard Picatinny Rail (SCOT-18)Direct Install on KeyMod Handguard Rail, Push Button,Easy to Use, 6061 Alloy Alu Mount base, Steel Sling RingProductSCOT-18 Sling SwivelWeight (net) 38g (1.3 ounce)Mount base Length36mm (1.4 inch, mount base)Loop Ring Length44mm (1.7 inch, loop ring)Material6061 alloy aluminum mount baseMaterialSteel for push button sling ringOriginal Manufacturer100% Trade Aussrance Security!!!Direct install on keymod handguard railQuick detach QD in-and-out from mout baseIt is amust for sling attachmentFour different angles' installationfor sling loop ringDesigned for real firearmsQualified made for tactical purposeFitting:hex key, brief instructionOrders will be tested carefully and packed well before shipping.Just feel free to contact us once you have any question on our product or service, will reply you in 24 hours.Thanks:)