CMMG 55AFF3B Parts Kit HD Pivot and Takedown Pins 223 Rem 5.56x45mm NATO Metal AR15
https://www.tandktactical.com/shop/000000008158-cmmg-55aff3b-parts-kit-hd-pivot-and-takedown-pins-223-rem-5-56x45mm-nato-metal-ar15-2562
https://www.tandktactical.com/web/image/product.template/2562/image_1920?unique=a5ecb63
This Takedown Pin set features a divot and a slightly longer length to aid in removal.
