Small but mighty! The RSA provides a low-profile forward sling attachment point for the Magpul MS2 or MS3 and other clip-in systems. Made from nitrocarburized steel for wear and corrosion resistance, the RSA attaches to any Picatinny rail. Plus, it's proven to withstand stress tests of over 300 lbs. while only weighing a mere 1 1/3 ozs. Nitrocarburized steel for extreme wear and corrosion resistance Tested to withstand stress tests over 300 lbs. Works on Magpul MS2 or MS3 and other clip-in systems Attaches to any Picatinny rail Export Administration Regulations-controlled product Made in the USA 1 1/3 ozs. Order your Rail Sling Attachment today!