KNS Push Button Pivot Pin - SIG 556 - with Swivel Attach Point
This push pin easily and quickly replaces the front pivot pin on Sig 556 rifles. The KNS pin features a spring loaded push button with solid locking ball detents allowing you to quickly seperate the upper and lower receivers without tools. Extended in length with a swivel attachment point, providing a solid single point sling swivel attachment point. Guaranteed with the KNS lifetime warranty.