(a) Hold the retaining spring (1) away from the plunger (2).
(b) Depress the plunger.
(c) Rotate the latch lever (3) upward.
(e) Press the latch lever fully downward to engage the plunger. It will be necessary to depress the plunger to allow the latch lever to engage the plunger. There will be an audible click when the latch lever has engaged the plunger and the plunger will snap forward toward the muzzle.
(f) Rotate the latch arm up and out of the way to its fully open position. When performing this step on the rifle, carefully pull the latch arm from between the gas tube and barrel.
(g) Disengage the trigger guard from the magazine well.
5. Secure the left bracket assembly in a vise as illustrated.
6. Remove the retaining spring (1) from the left bracket assembly (8).
ARMY TM 9-1010-221-23&P AIR FORCE TO 11W3-9-4-2 MARINE CORPS TM 07700A-23&P/2 NAVY SW 370-AE-MMI-010
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