The A.R.M.S. #16A Aimpoint Comp carry handle mount is a short carry handle mount that fits the carry handles on any AR-15, M-16 or M-4 or derived weapon. It provides a firm and (relatively) quickly detached means of putting an Aimpoint CompM2, CompML2, CompM3 or CompML3 or any of a variety of 30mm tube sights onto a weapon whilst retaining the ability to used its fixed sights.
Check the price of the A.R.M.S. #16A Aimpoint Comp carry handle mount at Brownells, a name you can trust.
Full disclosure.
You may find this video on Eotech holographic weapon sights of interest:
If you purchase from Brownells I will receive a small commission. This will help keep this site online and will not affect your purchase price.