AR 15 BCG Unlocking Diagram Coffee Mug
Taken from service manuals for the AR 15/M16/M4. Shown is the Bolt Carrier Group in stage two of the cycle of operation.
THE CYCLE OF OPERATION.
The Service Rifle/Carbine has eight steps in its cycle of operation. They are:
(1) Firing.
(2) Unlocking.
(3) Extracting.
(4) Ejecting.
(5) Cocking.
(6) Feeding.
(7) Chambering.
(8) Locking.
$16.40
 Firing.
(2) Unlocking.
(3) Extracting.
(4) Ejecting.
(5) Cocking.
(6) Feeding.
(7) Chambering.
(8) Locking.)
