Precision CNC machined AR15 STAINLESS STEEL .155 diameter receiver pins.  Pins are sold per PAIR (you will get 2). Pins should must match your receiver holes.

Receiver hammer and trigger pin holes vary between .154 and .1575, so we offer pins in .154, .155, .156 and .157 sizes to fit any receiver as well as our premium STBA^Tm - STAINLESS TRIGGER & BUSHING ASSEMBLY for AR15/M16.

If you build multiple AR15 and need a variety of pin sizes, we offer a complete selection of pins in each size in our AR15 BUILDER'S RECEIVER PIN KIT which includes a variety of each size pin as well as our premium STBA^Tm - STAINLESS TRIGGER & BUSHING ASSEMBLY for AR15/M16.