Manual

1.
Insure weapon is clear and on "SAFE".
2.
Remove recoil spring assembly:
a. Rotate the receiver cover retaining pin
to the vertical position and pull to the
right.
b.
Remove the receiver cover by sliding it
to the rear and lifting off.
c. Pull the recoil spring assembly from the
bolt carrier.
3. Remove the bolt and carrier.
a.
Pull operating handle to the rear.
b.
Lift the bolt and bolt carrier out of
the receiver.
4.
Separate the bolt from the carrier.
5.
Remove the gas cylinder and piston:
a.
Rotate the gas cylinder tube lock until
the handle is at a 45 degree angle to
the rear.
b.
Lift the rear of the handguard to remove
the gas cylinder tube and gas piston.
c. Lower front end of tube and allow piston
to slide out.
6. Remove gas piston extension and spring:
a.
Place thumb in front of rear sight base.
b. Rotate gas cylinder tube lock slowly
forward.
C. Remove and separate piston extension and
spring.
7.
Remove trigger group:
a. Insure weapon is on "SAFE".
b.
Push in on trigger group retaining lock.
c. Pull trigger group up and out.
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