Rise Armament RA020BLK Takedown/Pivot Pins AR-15 Black Nitride Stainless Steel

The concave and contoured face of these pins are shaped so you can quickly and easily push them in, regardless of hand size or while wearing gloves. On the left side is a small cavity where you can use the tip of a bullet or a ball-point pen to swiftly and easily push them out to remove the upper.