particular attention to lining up the slot in
the gas piston bar guide (A, Figure
15)
with
the holes in the gas piston
(B,
Figure
15)
and
the magazine tube
(C,
Figure 15) so that you
can easily insert the gas piston bar. Be cer-
tain that the slot in the gas piston bar guide
(A, Figure 15) is rearward. This is critical
for proper functioning. Also be certain that
the aperture in the forward end of the gas
GAS ENTRANCE
APER
IN MAGAZINE TUBE
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