Remington 870, 870 Super Magnum Instruction Manual

							WARNING! BEFORE LOADING, ALWAYS CHECK THE BARREL MARKING FOR THE CORRECT GAUGE AND CHAM-
BER LENGTH. NEVER USE AMMUNITION WHICH EXCEEDS THE CHAMBER LENGTH SHOWN ON THE BARREL.
WARNING! Be sure the rim of each shell snaps past the shell latch to prevent the shell from sliding back over
the carrier.
If the shell slides back over the carrier:
• Engage the safety mechanism. Make sure the 
RED BAND IS NOT SHOWING.
• Keep the firearm pointed in a safe direction.
• Forcefully 
OPENthe action or 
• 
REMOVEthe trigger plate assembly following the instructions shown on page 13 and remove the shell.
THE CHAMBER AND MAGAZINE ARE NOW FULLY LOADED.
9. To fire the firearm, first disengage the safety mechanism. 
RED BAND WILL SHOW.
THE FIREARM IS READY TO FIRE.
10. Pull the trigger to fire the firearm.
11. Pull the fore-end fully rearward forcefully to eject the empty shell.
12. Slide the fore-end forward to chamber the next shell.
13. Engage the safety mechanism when you are finished firing. 
RED BAND WILL NOT SHOW.
III.  TO UNLOAD THE FIREARM:
1. Point the firearm in a safe direction.
2. Engage the safety mechanism. 
RED BAND WILL NOT SHOW.
3. Push upward on the action bar lock.
4. Pull the fore-end slowly rearward until the front of the shell is even with the ejection port.
5. Lift the front of the shell outward and remove from the ejection port.
6. Pull the fore-end fully rearward until the next shell is released from the magazine.
7. Tip the firearm sideways to allow the shell to drop from the ejection port.
8. Close and open the action until all shells are removed.
WARNING! Look into the ejection port. Check the chamber and magazine to make sure there are no shells in
the firearm.
To Assemble The Magazine Plug
WARNING!A magazine plug which limits the magazine capacity to two (2) shells must be installed according 
to The Federal Migratory Bird Treaty Act and some state laws.
NOTE:There are two types of magazine spring retainers used in the Model 870™ shotgun. One has a round
hole in the center, the other has a slot in the center.
TO INSTALL THE MAGAZINE PLUG ON FIREARMS HAVING MAGAZINE SPRING RETAINERS 
WITH A HOLE IN THE MAGAZINE SPRING RETAINER:
1. Engage the safety mechanism. RED BAND WILL NOT SHOW.
2. Check the chamber and the magazine to make sure there are no shells in the firearm.
3. Unscrew and remove the magazine cap.
4. Put a screwdriver into the open end of the magazine tube. Move the tip
under the rim of the magazine spring retainer. See Picture 10.
5. Place your hand over the end of the magazine tube.
6. Using the screw driver, pry up and remove the magazine spring retainer.
11
PICTURE 10 
						

							WARNING! Always wear eye protection and use extreme care when removing the magazine spring retainer, as
the retainer is under tension from the magazine spring.
7. Place the small end of the magazine plug into the magazine spring. See Picture 11.
8. Put the magazine spring retainer over the large end of the 
magazine plug.
9. Push the magazine spring, magazine plug and the magazine retainer
into the magazine tube.
10. Tap the magazine spring retainer into the magazine tube, even to
the end of the magazine tube.
11. Replace and tighten the magazine cap.
TO INSTALL THE MAGAZINE PLUG ON FIREARMS HAVING MAGAZINE SPRING RETAINERS 
WITH A SLOT IN THE MAGAZINE SPRING RETAINER: 
1. Engage the safety mechanism. RED BAND WILL NOT SHOW.
2. Check the chamber and the magazine to make sure there are no shells in the firearm.
3. Unscrew and remove the magazine cap.
4. Put a screwdriver into the slot in the magazine spring retainer. 
See Picture 12.
5. Place your hand over the end of the magazine tube.
6. Push the magazine spring retainer into the magazine tube.
7. Turn the retainer 90˚ and slowly release the retainer. See Picture 12.
WARNING! Always wear eye protection and use extreme care when 
removing the magazine spring retainer, as the retainer is under tension
from the magazine spring.
8. Place the small end of the magazine plug into the magazine spring.
See Picture 13.
9. Work the magazine spring into the magazine tube.
10. Put the open end of the magazine spring retainer over the large end
of the magazine plug.
11. Align the detent slot on the magazine spring retainer with the
detents on the top and bottom of the magazine tube.
12. Push the magazine spring, plug and retainer into the magazine tube approximately one (1) inch.
13. Turn the retainer 90˚ to lock the retainer into position.
14. Slowly release the retainer to make sure that the retainer is properly seated.
15. Replace and tighten the magazine cap.
How To Disassemble
1. Engage the safety mechanism. RED BAND WILL NOT SHOW.
2. Push the action bar lock upward and pull the fore-end rearward to open the action.
WARNING! Look into the ejection port and check the chamber and magazine to make sure there are no shells
in the firearm.
3. Slide the fore-end forward approximately halfway.
4. Unscrew and remove the magazine cap.
5. Take hold of the barrel ahead of the magazine tube and pull the
barrel from the receiver.
6. Push the carrier upward.
7. Reach into the bottom of the receiver. Depress and hold the left shell
latch. See Picture 14.
8. Slide the fore-end forward and off of the magazine tube.
12
PICTURE 11
PICTURE 12
PICTURE 13
PICTURE 14 
						

							NOTE:The top right edge of the slide may bind on the bottom
front edge of the ejection port in the receiver. To free the slide,
push the front end of the bolt down. See Picture 15.
9. Lift the breech bolt assembly and slide assembly from the
rear of the action bars.
NOTE:Steps 10-12 are for the Model 870™ Super Magnum™ ONLY.
10. Turn breech bolt assembly upside down. (Refer to 
NOTEafter step 8.)
11. Place a small thin-bladed screwdriver under tab of port cover and
lift slightly. See Picture 16.
12. Slide port cover rearward from the breech bolt assembly.
13. Tap out the front and rear trigger plate pins. See Picture 15.
14. Lift the rear of the trigger plate assembly, slide rearward and
remove from the receiver.
WARNING! DO NOT allow the hammer to snap forward when the 
trigger plated is removed. This can best be assured by keeping the 
safety mechanism engaged at all times.
RED BAND WILL NOT SHOW.
Lubrication And Maintenance
WARNING! Look into the ejection port and check the chamber and magazine to make sure there are no shells in
the firearm before cleaning or storing.
TO CLEAN THE BARREL:
1. Use the instructions and the equipment provided in a good shotgun cleaning kit. For recommendations, see
your Remington®Authorized Gunsmith or dealer.
2. Select the correct gauge cleaning brush and attach the brush to the cleaning rod. 
3. Put the cleaning brush into gun cleaning solvent.
4. Push the cleaning rod through the barrel several times.
5. Push the correct size cleaning patch through the bore.
6. Repeat several times using a clean patch each time until the patch is not dirty.
7. Remove all shooting residue from the locking notch in the barrel. See Picture 17.
TO CLEAN THE CHOKE TUBE:
1. Remove the choke tube from the barrel.
2. Clean the choke tube including the threads with gun cleaning solvent and wipe dry. 
3. Apply Rem™ Oil on threads and reassemble the choke tube to the barrel following the instructions on page 10.
WARNING! After cleaning, make sure the barrel is free of obstructions.
THE BREECH BOLT ASSEMBLY:
Clean as a unit. Brush with cleaning solvent and wipe clean and dry.
THE RECEIVER:
Brush the inside of the receiver with cleaning solvent and wipe dry.
WARNING! There may be sharp edges inside the receiver. Keep fingers covered or gloved when wiping.
THE TRIGGER PLATE ASSEMBLY:
NOTE:
Clean as a unit with Rem™ Oil only. See NOTEat the bottom of page 14.
Spray the trigger plate assembly with Rem™ Oil as shown. See Picture 18.
Let stand for 15 minutes. Spray again to wash off components. Shake off
excess lubricant.
WARNING! Excessive use of a non-recommended lubricant could 
adversely affect the function and safe operation of your firearm.
13
PICTURE 15
PICTURE 16
PICTURE 17
PICTURE 18 
						

							PICTURE 19
PICTURE 20
PICTURE 21
PICTURE 22
How To Reassemble
1. Check to make sure that the end of the action bar lock is below the
end of the left connector. See Picture 19.
2. Carefully insert the trigger plate assembly (carrier first) into 
the receiver.
3. Position to align the holes and tap in front and rear trigger 
plate pins.
4. Place the fore-end assembly over the magazine tube.
NOTE:Steps 5 & 6 are for Model 870™ Super Magnum™ only.
5. Slide port cover spring into position in the bottom
of the bolt.
6. Align the port cover and slide forward until the 
port cover snaps into position.
7. Position the slide block assembly and breech bolt 
assembly on the rear of the action bars. See Picture 20.
8. Guide the action bars into the receiver until stopped by 
the right shell latch.
9. Push the carrier upward, depress and hold the right shell latch.
See Picture 21.
10. Slide the fore-end rearward until stopped by the left shell latch.
11. Reach into the bottom of the receiver. Depress and hold the left
shell latch. See Picture 22.
12. Slide the fore-end rearward until stopped by the action bar lock.
13. Push upward on the action bar lock. Slide the fore-end rearward
approximately halfway.
14. Replace the barrel and magazine cap.
WARNING! This firearm should be checked periodically by the
Remington®Arms Company, Inc. or a REMINGTON RECOMMENDED
GUNSMITH. This will ensure proper inspection and any necessary
replacement of worn or damaged parts.
Lubrication 
Over-lubrication shouldbe avoided at all times. A thin coat of Rem™ Oil is all that is needed to prevent the 
possibility of rusting. See 
NOTEbelow.
When the firearmis to be stored, it should be carefully cleaned and thoroughly oiled. Outside 
surfaces should be wiped with a light coat of Rem™ Oil occasionally. See 
NOTEbelow.
When the firearmis to be reused, all excess lubrication must be removed. The chamber and bore
must be thoroughly wiped dry.
NOTE:Remington Rem™ Oilis available from your local dealer. If your dealer is out of stock, ask
him to order Rem™ Oil from their Remington distributor.
14 
						

							How to Obtain Parts and Service From Remington.®
TO ORDER PARTS:
Many Remington®Dealers and Authorized Repair Centers carry a full line of parts. Please check with them first
before ordering parts.
To expedite your PARTS order or request REPAIR SERVICE visit our web site at www.remington.com. Detailed
instructions are provided along with parts and/or service order forms. You may also reach Remington by calling
our toll free customer service number, 1-800-243-9700, Mon.-Fri., 9:00 AM-5:00 PM Eastern time. 
1. Fax completed order form (from the web site) to 1-336-548-7801.
2. To order by phone without the order form call 1-800-243-9700.   
Please have the following information ready before you call. 
• Firearm model and serial number.
• Part description and quantity. Part descriptions can be found on the parts listing page in this manual.
• Your complete mailing address (P.O. Box and Street Address) including zip code, telephone 
number and e-mail address.
• Method of payment: Mastercard, Visa, Amex or Discover card number and expiration date. Prepayment
may be made by check or money order. A quote may be made to you over the phone. (Sorry, no C.O.D.s.)
WARNING!USE ONLY REMINGTON PARTS IN REMINGTON FIREARMS.
NOTE:SOME PARTS MAY BE RESTRICTED. See parts list for details. Owner’s manuals/instruction books may be
requested via our web site at: www.remington.com or by calling 1-800-243-9700.
REPAIR SERVICES
1. To locate the Remington Authorized Repair Center nearest you visit our web site at www.remington.com and
use our Repair Service Locator. If you need additional on-line assistance, e-mail us at [email protected]
to obtain a listing of Authorized Repair Centers. Contact the Authorized Repair Center of your choice for
evaluation of your firearm and/or additional shipping instructions.
2. If your Remington Authorized Repair Center cannot provide the service or repair you require and you need 
further assistance, please call our toll free number 1-800-243-9700, Mon.-Fri., 9:00 AM-5:00 PM Eastern
time and select the option for repairs. Then, if shipment of your firearm is required, please:
• Record the serial number of your firearm before sending it to us.
• Pack your firearm for safety and to prevent further damage in shipping and handling. Preferably, ship in
a firearm box.
• Remove all accessories from the firearm to prevent loss or damage.
• Enclose a letter with the firearm detailing the model name or number of your firearm and serial number
along with a full description of the problem. Be sure to include your full name and address (P.O. Box
and Street Address), including zip code, daytime telephone number and e-mail address.
• Ship your firearm by either United Parcel Service (UPS) or Parcel Post (US Post Office). Remington is not
responsible for damage or loss during shipment, so you may elect to purchase insurance from your carrier.
Ship to:
Remington Arms Company, Inc.
Attn: Arms Service Division/Repairs
14 Hoefler Ave.
Ilion, NY 13357
15
WARNING!DO NOT SEND LIVE OR SPENT SHELLS IN YOUR FIREARM OR IN
THE SAME BOX WITH THE FIREARM. THIS IS A VIOLATION OF FEDERAL
LAW. IF YOU FEEL YOU MUST SEND SPENT SHELLS, PLEASE SEND THEM
IN A SEPARATE PACKAGE AND INCLUDE NAME, ADDRESS (WITH ZIP CODE),
TELEPHONE NUMBER, MODEL AND SERIAL NUMBER OF YOUR FIREARM. 
						

							16
MODEL 870™
Pump Action Shotgun  
						

							17
NOTE:12 Ga. Express Listed Below
1 Action Bar Lock
2 Action Bar Lock Spring
NOTE:All barrels (same gauge) are 
interchangeable without adjustment.
3 Barrel Assembly 
4 Breech Bolt 
Breech Bolt Assembly 
7 Carrier 
Carrier Assembly 
8 Carrier Dog
9 Carrier Dog Follower
10 Carrier Dog Follower Spring
11 Carrier Dog Pin
12 Carrier Dog Washer
13 Carrier Pivot Tube
14 Connector, Left
15 Connector, Right
16 Connector Pin
17 Ejector 
18 Ejector Rivet, Front
19 Ejector Rivet, Rear
20 Ejector Spring  
21 Extractor 
22 Extractor Plunger
23 Extractor Spring
24 Firing Pin
25 Firing Pin Retaining Pin
26 Firing Pin Retractor Spring
Fore-end (Wood Only) 
27 Fore-end Assembly 
28 Fore-end Tube Assembly
29 Fore-end Tube Nut
30 Front Sight
33 Hammer
34 Hammer Pin
Hammer Pin Washer
35 Hammer Plunger
36 Hammer Spring37 Locking Block Assembly
Locking Block Assembly (Oversize) 
Locking Block Retainer
39 Magazine Cap
40 Magazine Cap Detent
41 Magazine Cap Detent Spring
42 Magazine Follower
43 Magazine Plug, 3-Shot
44 Magazine Spring
45 Magazine Spring Retainer
46 Receiver Assembly (Restricted) 
47 Receiver Stud
47b Recoil Pad Screw
48 Safety Mechanism
49 Safety Mechanism Detent Ball
50 Safety Mechanism Spring
51 Safety Mechanism Spring Retaining Pin
52 Sear
53 Sear Pin
54 Sear Spring
55 Shell Latch, Left 
56 Shell Latch, Right 
57 Slide Assembly 
58 Stock Assembly 
59 Stock Bearing Plate
60 Stock Bolt
61 Stock Bolt Lock Washer
62 Stock Bolt Washer
63 Trigger Assembly (Restricted)
64 Trigger Pin
65 Trigger Plate, R.H. Safety Mechanism (Restricted)
Trigger Plate, L.H. Safety Mechanism (Restricted)
Trigger Plate Assembly, R.H. Safety Mechanism
Trigger Plate Assembly, L.H. Safety Mechanism
66 Trigger Plate Pin, Front
67 Trigger Plate Pin, Rear
68 Trigger Plate Pin Bushing
69 Trigger Plate Pin Detent Spring, Front
70 Trigger Plate Pin Detent Spring, Rear 
VIEW 
#PART NAMEVIEW 
#PART NAME
MODEL 870™
Pump Action Shotgun
PARTS LIST 
						

							18
Model _________________ Serial # ________________  Date Purchased ______________
Purchased From ___________________________ Price Paid _________________________
Remember to complete and return the Firearm Warranty Registration Card in order to 
obtain full benefit of your Limited Two Year Firearm Warranty.
A WORD ON THE MAINTENANCE AND CARE OF YOUR REMINGTON FIREARM
Don’t Alter or Modify Your Gun and Have it Serviced Regularly.
Your firearm hasbeen designed to operate according to certain factory specifications. You’ll jeopardize your
safety and that of others around you by attempting to alter its trigger, mechanical safety or other mecha-
nisms. So never alter or modify your firearm in any way.
Like any mechanical device, a firearm is subject to wear. It must be maintained and periodically serviced
to assure optimum safety and performance. Only a qualified service facility should service, repair or mod-
ify your Remington
®firearm. Consult your instruction book for instructions on how to send your firearm
to the factory or for the location of the nearest Remington repair station. Remington recommends that you
have your firearm professionally serviced annually. You should also have your firearm professionally
serviced after prolonged storage, or if there is ever any question pertaining to the proper functioning char-
acteristics of your firearm.
Proper cleaning and lubricationare also important to firearm maintenance and are necessary to assure
accuracy, safety and reliability. Before cleaning, always make sure that your gun is completely unloaded.
And always clean the barrel from the chamber end to the muzzle when possible.
Firearm Owner’s Record 
						

							19
DATE SERVICE PERFORMED PERFORMED BY
Firearm Maintenance Record 
						

							Printed in U.S.A. Remington is a trademark registered in the United States Patent 
and Trademark Office by Remington Arms Company, Inc.
Form RD 7058  Rev. Orig. 601