Mossberg Maverick For 88, 91 Instructions Manual

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CAUTION: Before performing any further disassembly, take time to study how the internal
components are arranged inside the receiver.
DISASSEMBLY OF INTERNAL RECEIVER COMPONENTS
CAUTION: Pay special attention to the position of the bolt, bolt slide and action slide bar
assembly during this portion of the disassembly, as the parts must be in the same
relationship during reassembly.
Remove the cartridge interrupter from the ejection port side and cartridge stop from the opposite
side. (It may be necessary...

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Pivot the front portion of the elevator upward out of the receiver (Fig. 11-B). Squeeze the two
arms, which form the open end of the elevator assembly together sufficiently to disengage and
remove the elevator from the receiver (Fig. 11-C).
Remove the forearm/action slide assembly by sliding it forward and off the magazine tube.
CAUTION: Field disassembly is now complete! The shotgun should not be
disassembled further for routine cleaning or maintenance. Further disassembly should
only be performed at...

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If the firearm is to be stored for a long period of time it should be thoroughly cleaned and oiled.
Do not plug barrel or store in a fabric lined case that will absorb  lubricant from the gun.
Scrub bore and chamber with solvent and follow with cleaning patches until barrel is clean. A
final pass with a lightly oiled patch will provice a protective coating. Clean and remove any
deposits in the barrel extension.
All metal parts should be cleaned with gun solvent and lightly lubricated with gun oil....

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Pivot the elevator so that the forward portion of the elevator is even with the outside edge of the
cavity in the receiver.
Insert the rear of the bolt assembly, with its bolt lock downwards toward the front inside top of the
receiver, into the barrel opening of the receiver. Depress the ejector (located in the side of
the receiver opposite the ejection port) to allow the bolt assembly to slide fully rearward into the
receiver.
The ejector must fit into the corresponding slot in the bolt (Fig. 11)....

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Hold the bolt slide down and pull the forearm assembly forward. The bolt and bolt slide should
move freely in their cuts in the receiver. If parts do not slide easily – DO NOT FORCE –
disassemble and reassemble, paying attention to the relationship of the bolt, bolt slide and
action slide bars.
Position the cartridge stop and cartridge interrupter in their proper places on the inside walls of
the receiver (Fig. 9).
The hooks must face inward toward the center of the cavity away from the receiver...

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FUNCTION TESTING
AFTER PERFORMING ANY WORK ON YOUR FIREARM SUCH AS CLEANING,
DISASSEMBLY OR INSTALLATION OF AN ACCESSORY:
a. Move the safety button fully rearward to the  “ON” (SAFE) position and keep
muzzle pointed in a safe direction.
b. Open the action, visually and physically check chamber, elevator and magazine
tube to be certain the firearm is unloaded.
Depress and hold the action lock lever (Fig. 3). Open and close the action several times to check
for free movement of the action assembly....

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Williams Style rear sight:
Elevation may be adjusted by loosening the smaller of the two screws on the rear sight leaf
base. This will allow the sight leaf base to be raised or lowered by sliding the base up or down the
rear sight ramp. Tighten screw after adjustment.
Windage may be adjusted by loosening the larger of the two screws and sliding the sight leaf left
or right in the sight leaf base. Tighten screw after adjustment.
Remember: Move the rear sight in the same direction you would like the...

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ACCU CHOKE TUBES
GAUGE ITEM # LEAD SHOT  PATTERNS
12 95190 Full
12 95195 Modified
12 95200 Imp. Cylinder
12 95235 Skeet
12 95267 XX Full Turkey(lead only)
12 95245 Improved Modified
ACCU-STEEL™ CHOKE TUBES
(88™ MODELS ONLY)
ACCU-STEEL TUBES - have been specifically designed for exceptional endurance and
controlled patterning of steel shot.
These tubes will provide the best pattern results for the steel shot sizes stamped on each tube.
Lead shot may be used with ACCU-STEEL tubes; however, pattern tests...

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12 GA. ACCU-MAG™ CHOKE TUBES (91™ MODELS ONLY)
ITEM # LEAD SHOT  PATTERN* YDS STEEL SHOT PATTERN YDS
95256 Skeet 40 Skeet 40
95252 Imp. Cyl. 40 Mod. T&F 40
95253 Modified 40 Mod. #2 & BB 40
95254 Full 40 Full, #2 & BB 40
95255 Extra Full T&F 40
95257 Ulti-Full 30
* Lead shot patterns will vary substantially with the extra-full steel shot tube depending on shell
length, shot size, brand of ammunition and the individual barrel. The shooter is urged to conduct
lead shot pattern tests with this tube...

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3) Swing the recoil pad or buttplate around the top screw which will allow access to the stock
bolt through the stock butt hole.
4) Check stock bolt head configuration. Some models use a slotted head, others use a 1/2 in.
hex head.
5) Loosen and remove stock bolt by turning it counterclockwise. The stock may now be
removed from the receiver.
Installation of Pistol Grip:
1) Align mounting hole in pistol grip with threaded hole in rear of the receiver.
2) Slip washers on bolt. Insert bolt through pistol...