The latch will either be part of the handle, or it will be recessed inside the frame of the door. The recessed type is the most expensive. For surface-mounted handles, that is, ...

Held in place by a flat spring, the Blackhawk! AR-15 No-Latch Ambi Charging Handle eliminates the need to depress a small latch in order to charge AR-pattern rifles.

Latch Conceals Handle When Not in Use Oct. 6, 2015 The 67 Concealed Pulls from Southco, Concordville, Pa., feature an O-ring styled handle that stores inside of the housing when not in use.