AR 15 Detent Pin The Essential Guide for Installation and Maintenance
Rear Takedown Pin Spring. One in the front of the receiver, called a pivot pin, and one in the rear.
One in the front of the receiver, called a pivot pin, and one in the rear.
One in the front of the receiver, called a pivot pin, and one in the rear. One in the front of the receiver, called a pivot pin, and one in the rear.
