The set includes one push-button style sling swivel pin and one base for Picatinny rails Simply push button to detach and attach swivel Fit on 20mm weaver rails. Swivel pin rotates freely after plugged in For use with 1 1/4inch wide slings Great for use on Quad Rail forends or other Picatinny accessory rails. Quick- detach feature provides emergency weapon install and release Accepts QD Push Button Style Stud Swivels Heavy duty alloy construction. Allen wrench included Base length: 1inch Swivel set weight: 2 oz.
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