LBE Unlimited ARCPN AR Parts Cam Pin AR15/M16 Silver Steel
https://www.tandktactical.com/shop/784682014417-lbe-unlimited-arcpn-ar-parts-cam-pin-ar15-m16-silver-steel-25951
https://www.tandktactical.com/web/image/product.template/25951/image_1920?unique=4eca9c2
AR15/M16 Cam Pin for a Bolt Carrier Group
