Combining versatility with functionality, Brownells'® new AR-15/M16 carry handle scope bases offers AR-15/M16 shooters the opportunity to mount a scope while maintaining the ability ...

To better utilize optics, the M16 family’s fixed carry handle was replaced by a removable handle that, when taken off, revealed a “flat-top” receiver with a Mil-Standard 1913 Picatinny rail.

M4s did away with the traditional M16 carry handle and were equipped with the Picatinny rail system, ... The M16 series of weapons has been in continuous use by the U.S. Military for more than ...

In theory, this could make integration of optics easier, but the receiver was not tapped for the addition of an optic and a M16 carry-handle style rear sight was added on the T65K2 variant.