![a2 carry handle sight markings a2 carry handle sight markings](https://live.amoskeagauction.com/images/lot/1842/18422_0.jpg)
The Carry handle of an M16A4 and M4 carbine is a 1/2 minute adjustment but the shorter sight radius of the M4 makes it a little harder to memorize the rear drum changes but not too much.
![a2 carry handle sight markings a2 carry handle sight markings](https://savannaharsenal.files.wordpress.com/2017/02/zum2pd-e1500951482977.jpg)
![a2 carry handle sight markings a2 carry handle sight markings](https://www.shtfblog.com/wp-content/uploads/2020/11/m16-configuartions.jpg)
You can see that the A2 rear sight elevation is easy to memorize, but also very course in its adjustments. It is possible to mount optics on top of the carry handle, but this is inefficient and mounts the reticle or crosshairs of the optic higher than the optimal 2.5 inches above the bore (the height of the front sight and the rear carry handle sight). To cause cancer, birth defects or other reproductive harm. The chart has dope on three AR15 platforms. Flat-Top AR-15 Rifles Using Removable Carry Handle: There are removable carry handles that fit on flat-top rifles. WARNING: The products offered for sale on this website can expose you to chemicals which are known to the State of California