Winchester Repeating Arms 1400 (Historic Manual) - Manual (Page 13)

and by tipping and manipulating the
handle, remove the cocking handle
bridge out through the ejection port in
the receiver. Now the breech bolt
assembly may be lifted out or slide out
the front of the receiver.
NOTE: For cleaning purposes no
further dismantling is necessary or
recommended.
NOTE: REASSEMBLE IN REVERSE
ORDER.
INSTALLATION AND REMOVAL OF
THE WINCHOKE
REMOVAL —To remove the
WINCHOKE from the barrel, insert the
projection on the special WINCHOKE
tool into the hole on the knurled
portion of WINCHOKE tube and turn
counter-clockwise.
INSTALLATION -The WINCHOKE
should be snugly fitted, but not over-
tightened for ease of removal later and
possible damage to the barrel. The
WINCHOKE has a right hand thread
and with the aid of the special tool
simply screw the tube of your choice
into the muzzle of the barrel.
Do not attempt to fire your WINCHOKE
shotgun with the choke either loose in,
or removed from, the barrel.