User Guide
12
A. Barrel Extension Guides
B. Barrel Ring Guide/Gas Cylinder
C. Front Action Springs
D. Bolt Release Button (Carrier Latch Button)
E. Breechblock Assembly
F. Carrier
G. Forearm
H. Sleeve Bar Assembly
I. Magazine Tube
J. Magazine Cap
K. Magazine Spring Retainer
pressure regulation valve releases excess gas
pressure that is not necessary for operating
the action. This keeps bolt speed more
consistent and allows you to shoot all
factory 2 3/4" and 3"' loads inter-
changeably, without adjustment. As the
piston moves the sleeve reward, the action
bar -which extends from the sleeve —
pushes the breechblock rearward, operating
the action. As the breechblock moves
rearward, it turns and unlocks the 4-lug
rotary bolt, recocks the hammer, and ejects
the fired shell.
L. Magazine Follower
M. Magazine Spring
N. Operating Handle
O. Return Spring
P. Rotary Bolt Head
Q. Three Shot Adapter
R. Trigger Group
S. Trigger Guard Retaining Nut
T. Trigger Guard Retaining Screw
U. Gas Piston
After full rearward travel, the breech-block
returns forward, picking up a new shell
from the magazine and chambering it
automatically. After the last shell has been
fired, the breechblock locks to the rear,
instead of returning forward. This facilitates
speedy, convenient reloading.
NOTE: The A-500G is delivered with the
magazine adaptor in the magazine which
limits the gun to three shots, in accor-
dance with federal migratory bird laws. If
you do not want your gun to be so lim-










