Workbook

LESSON 209: StG-58 BIPOD REMOVAL

(Revised 09-22-00)

StG-58 FAL kits come with a bipod attached. This bipod is often difficult to remove. The large screws on

which the legs pivot are screwed in and locked with crown nuts. These crown nuts are maintained in place

by a thread locking compound and 30 years of hardened grease so it may need to be heated for easier

removal. You should get a large, expendable screwdriver at a junk sale to convert to a spanner. Grind a

notch in the center to clear the shank of the screw - you're looking for around 9/32" wide and about 5/32"

deep. You can also take a punch or expendable screwdriver and use it as a punch in the slots on the crown

nut to hammer them free. This usually won't ruin the nuts, but will gouge them severely. I have found no

need for thread locking compound during reassembly.

You can fabricate a wrench for these crown nuts with a 7mm closed end wrench. Mark the four teeth and cut

away the area between them with

a cut-off wheel. You will

probably have to decrease the

thickness of the wrench slightly

to clear the part of the bipod that

goes around the barrel. File the

area between the teeth for a nice

finish. To keep from slipping, briefly heat the nuts with a torch (10 seconds is fine), squeeze this wrench

against the crown nut with wide-jawed pliers, and turn.

LESSON 210: INCH SELECTOR ON METRIC LOWER

(Revised 09-22-00)

Some people prefer the larger knob on the inch pattern selector. It can be modified to fit on a metric lower

receiver. On the inch selector, a large vertical tab prevents moving to the automatic firing position by

stopping against the upper receiver. Scribe a line around the outside edge of the selector, then draw a notch

that will act as a stop against the pin protruding from your lower. leave extra material around this notch.

Once you have cut the tab off, it will be easy to

insert the selector in the lower receiver to

determine how much material needs to be

removed so as to have the notch stop on the pin

at the same time the detent on the underside

clicks into its recess on the receiver.