Rise Armament Takedown and Pivot Pins, Fits AR-15, Matte Finish, Black RA-020-BLK Secure and open your AR-15's upper and lower with confidence and ease thanks to the RISE Enhanced AR-15 Takedown and Pivot Pins. 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. Precision machined from 316 stainless steel and finished with black nitride" the RISE Takedown and Pivot Pins are incredibly durable and reliable.