Rise Armament Takedown and Pivot Pins, Fits AR-15, Matte Finish, Black RA-020-BLK

Your finger or thumb will fit into the concave and contoured face of these pins even with gloves on so you can quickly and easily push them in. On the left side is a small cavity where you can use the tip of a bullet or a ball-point pen to swiftly push them out and remove your upper.