Winchester Repeating Arms 1300 (Historic Manual) - Manual (Page 26)

7. Remove the magazine cap and carefully guide the slide
arms and bolt/slide arm bridge assemblies into the front
of the receiver. As the assemblies enter the receiver,
slide them fully rearward (Figure 15).
R EASSEMBLY OF THE F IRING P IN , B REECH B OLT AND
S LIDE (20 G AUGE ONLY ) —
1. Reinstall the firing pin spring over the firing pin. Either
end can go on first.
2. Insert the firing pin and spring into the rear opening of
the bolt slide, pin end first.
3. To reinstall the bolt assembly on the slide arm bridge
push or compress the “knob end” of the firing pin
sufficiently into the hole in the bolt slide so that the
large space between the grooved “knob” and the
flange on the firing pin is centered in the round hole
in the bolt slide.
4. Place the curved tongue, located on the slide arm
bridge, into the space between the knob and flange and
slowly release pressure on the end of the firing pin. Let
the flange on the pin pull the tongue toward the rear of
the bolt assembly. This should hold the breech bolt
assembly and the slide arm bridge together during
further assembly.
5. With the trigger guard group removed, insert the bolt
assembly through the trigger guard opening up into
the receiver. The front face and extractor of the bolt
assembly should be facing the barrel or front of the
shotgun. The slide arm bridge should be facing down
toward the trigger guard group opening.
6. While holding the bolt assembly in place, insert the
slide arm bars into the breech and connect them to the
slide arm bridge.
R EINSTALLATION OF THE T RIGGER G UARD G ROUP —
Be careful when reinstalling the trigger guard group.
Never force parts into position. The bolt assembly, slide
arms and barrel should be attached before installing the
trigger guard group. The hammer should be in the cocked
position and the safety in the “on safe” position. Carefully
insert the trigger guard group into place. It may be
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FIGURE 15
Carefully guide the bolt assembly — on the
slide arms — into the receiver.