Mossberg 590 - Manual (Page 6)

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CAUTION: The magazine spring exerts pressure on the retainer. Use caution when
disassembling.
To disassemble: Pry up at various points around the small hole in the
center of the magazine spring retainer. Cup hand over retainer and
magazine so as to keep spring and retainer confined. Use caution not
to bend or distort the magazine tube end and or threads.
500 ® , 505 ™ and Slide the barrel into the receiver and tighten the takedown screw, finger
535 ™ models: tight only. DO NOT use pliers or a wrench to tighten the takedown screw.
A little space between the magazine tube and the takedown mount is
normal.
warning (all models): Check to be certain that the barrel is fully seated into the
receiver by looking through the ejection port. The barrel extension must rest firmly
against the corresponding cut in the top of the receiver as shown in Figure 4.
swivel stud Place the washer over the swivel stud thread. Screw the stud into the
installation: magazine cap and tighten, making sure the through-hole is oriented
horizontally. Use caution not to over-tighten the stud as this may strip
the threads in the magazine.
magaZine capaciTy
835
® models: Total ammunition capacity (including one in the chamber) is six (6)
2-3/4” or 3” or five (5) 3-1/2” shells.
535 ™ models: Total ammunition capacity (including one in the chamber) is five (5) 2-3/4”
or 3” and four (4) 3-1/2”shells. Depending upon tolerance variations, total
capacity may be reduced by one round when using 3” shells.
500 ® models: Total ammunition capacity (including one in the chamber) is six (6) 2-3/4”
shells. Depending upon ammunition tolerance variations, total capacity may
be reduced by one round when using 3” shells.
505 ™ models: Total ammunition capacity (including one in the chamber) is five (5) 2-3/4”
or five (5) 2-1/2” shells. Depending upon ammunition tolerance variations,
total capacity may be reduced by one round when using 3” shells.
590 ® models: Total ammunition capacity (including one in the chamber) is nine (9) 2-3/4”
or eight (8) 3” shells.
NOTE: To comply with U.S. migratory bird laws, all five and six shot models are
shipped with a wooden dowel inserted in the magazine tube which limits
magazine capacity to two (2) shells.
835 ® models: To remove the dowel, first remove the barrel. Point the shotgun downward
and shake it back and forth lightly until the dowel falls out.
To change back to a 2-shot magazine capacity insert the dowel through the
center of the magazine spring so that it is positioned inside the coils of the
spring.
500 ® Bantam ™ This Model is supplied as a single shot. An extra long wooden dowel
model, super blocks magazine loading. After proper firearm training the dowel can
Bantam and be removed to cut to 9” to comply with appropriate laws. See below
505 ™ models: for removal instructions.
500 ® and To remove the dowel, first remove the barrel. Point shotgun downward and
535 ™ models: shake it back and forth lightly until the dowel protrudes from the
takedown screw hole in the end of the magazine tube. A rubber “O”
ring on the dowel prevents it from falling out accidentally. Grasp the
dowel and pull it completely out.