>>64457680

The scope mount?

idk if these are the originals or reproductions, but you can buy them from Precision Reflex

https://www.opticsplanet.com/precision-reflex-pri-m16-ar15-carry-handle-mount.html?srsltid=AfmBOorr3ByUaHSSfYrKoj55nTULnP9wL-Sys4jkiWRZHeLkEASFiQzj