TAKEDOWN INSTRUCTIONS
In case a complete take down is necessary, proceed as follows:
 

a) unscrew the forend cap and slide off the forend and the barrel
b) slide off the gas cylinder and the cylinder guide (rubber ring)
c) with a pin punch tap out the two trigger guard pins and remove the trigger guard mechanism

d) push the breech block forward and purl out the handle from the U groove in the middle of the breech block opening. Meanwhile hold back the support of the cocking slide to avoid its being pushed forward by the spring thrust.
e) slide off the cocking slide and take out in this order:
1) cocking slide support
2) cocking slide
3) breech block assembly (breech block slide, breech block)
4) Remove the recoil spring
from the magazine tube.
FURTHER TAKE DOWN MUST BE CARRIED OUT BY QUALIFIED GUNSMITHS ONLY.
REASSEMBLY

To reassemble the gun proceed as follows:

a) fit the recoil spring onto the magazine tube
b) assemble the breech block-breech block slide group; fit the cocking slide on its support, taking care that the cocking slide-breech block slide coupling groove is outwards;
c) insert the breech block-breech block slide group in the receiver runners then fit the cocking slide-support group onto the magazine tube;
d) push the breech block-breech block slide group forward so that the coupling tooth of the breech block slide protrudes from the receiver unit to hook the cocking slide; push the whole group inside the receiver,' then insert the cocking handle to block it;
e) fit on the magazine tube: 1) piston, 2) cylinder guide (rubber ring) f) assemble the barrel, wooden forend then screw on the forend cap
g) check the trigger guard group to make sure that the hammer is cocked. If not turn it backward until it hooks
h) insert the trigger group in its housing lining up the pinholes. Introduce the two pins pushing them all the way in. If the gun has been properly assembled, then the breech block should open and close easily, without any resistance.