There are two main internal Designs used on the 880. I use the terms “Old Style” and “New Style” to distinguish the difference. Many parts can be used on either style, others are specific to a style.

My New Style Parts ID Video Guide:

Click To Watch New Style Parts Id Video Guide

Exploded View Parts Reference For The New Style 880. Click on the part for a hyperlink to the item on Ebay or Amazon.

Ebay New Style Rebuild Kit : Amazon New Style Rebuild Kit 
Ebay New Style Screw Set Kit : Amazon New Style Screw Set

#1 Front Sight Ebay White Dot or Fiber Optic : Amazon White Dot or Fiber Optic

#2 Barrel Cover Ebay

#3 Left Forearm Ebay Brown, Light Brown. Black : Amazon Brown, Light Brown, Black

#4 Right Forearm Ebay Brown, Light Brown, Black : Amazon Brown, Light Brown, Black

#5 Pump Handle Retaining Spring Ebay

#6 Right Hand Side Cover Ebay : Right Hand Side Cover Amazon

#7 Left Hand Side Cover Ebay : Amazon Left Hand Side Cover

#8 Barrel Assembly Ebay With Trigger Assembly Installed Or Bare Barrel : Amazon Bare Barrel

#9 Twist In Exhaust Valve Assembly Ebay : Twist In Exhaust Valve Assembly Amazon

#10 Chamber Seal Ebay : Chamber Seal Amazon (Included in New Style Rebuild Kit)

#11 Bolt Handle Assembly Ebay : Bolt Handle Assembly Amazon

Ebay Just The Bolt. Just The Thumb Handle : Amazon Just The Bolt, Just The Thumb Handle

#12 Trigger Assembly Ebay

#13 Pump Tube Ebay : Pump Tube Amazon

#14 Pump Piston Assembly Ebay : Pump Piston Assembly Amazon ( Individual Breakdown Of Parts In Diagram Below)

#15 Load/Feed Door Ebay : Load/Feed Door Amazon

#16 Pump Handle Assembly Ebay : Pump Handle Assembly Amazon

#17 Frame Rail Ebay : Frame Rail Amazon

#18 Butt Stock Ebay Brown Bare – Brown With Trim, Black With Trim, Light Brown Bare : Amazon Brown With Trim, Black With Trim, Light Brown With Trim, Light Brown Bare

#19 Frame Assembly Pin Ebay : Frame Assembly Pin Amazon

#20 Piston Guide Roller Disc Ebay : Piston Guide Roller Disc Amazon

#21 Pump Piston Arm Pin Ebay

#22 Trigger Ebay

#23 Trigger Spring Ebay

#24 Trigger Pin Ebay

#25 Exhaust Valve Seat O-ring Ebay : Exhaust Valve Seat O-Ring Amazon

#26 Bottom Pump Tube Gasket Pin Ebay : Bottom Pump Tube Gasket Pin Amazon

#27 Chamber Seal Ebay : Chamber Seal Amazon

#28 Abutement Washer Ebay : Abutement Washer Amazon

#29 Chamber Seal Spring Ebay : Chamber Seal Spring Amazon

#30 Pump Piston Head & Pump Tube Bottom O-Ring Ebay : Pump Piston Head and Pump Tube Bottom O-Ring Amazon

#31 Rear Sight Elevation Ramp Elevator Ebay : Rear Sight Elevation Ramp Elevator Amazon

#32 Rear Sight Windage Notch Screw Ebay : Rear Sight Windage Notch Screw Amazon

#33 Rear Sight Windage Notch Sight : Rear Sight Windage Notch Amazon

#34 & #35 & #36 Safety Button Kit Ebay : Safety Button Kit Amazon

#34 Safety Button Ebay : Safety Button Amazon

#35 Safety Button Spring Ebay

#36 Safety Button Ball Bearing Ebay : Safety Button Ball Bearing Amazon

#37 Forearm Screw Ebay : Forearm Screw Amazon

#38 Pistol Grip Trim Cap Ebay : Pistol Grip Trim Cap Amazon

#39 Butt Plate Ebay : Butt Plate Amazon

#40 Foam Oil Wiper Ebay : Foam Oil Wiper Amazon

#41 Old Style Single But Stock Screw Ebay : Old Style Single Butt Stock Screw Amazon

#42 Side Cover Small Screw Ebay : Side Cover Small Screw Amazon

#59 Trigger Sear Ebay

Parts Not On The Diagram:

Complete Pump Piston Assembly Ebay : Complete Pump Piston Assembly Amazon

#30 Pump Head & Pump Tube Bottom O-Ring Ebay : Pump Head & Pump Tube Bottom O-Ring Amazon

#45 Piston Head Buffer Ebay : Piston Head Buffer Amazon

#46 Buffer Washer Ebay

#47 Pump Piston Head Ebay : Pump Piston Head Amazon

#48 Foam Oil Wiper Ebay : Foam Oil Wiper Amazon

#49 Wiper Plastic Retaining Washer Ebay (Not Used on Earlier Models)

#50 Piston Arm Ebay

#51 Pump Head Roll Pin Ebay

#60 Trigger Sear Pin Ebay

Not all parts are available new, I offer used parts when available.

Daisy 880 Old Style Rebuild Kit Ebay : Daisy 880 Old Style Rebuild Kit Amazon

Old Style Screw Set Kit Ebay : Old Style Screw Set Kit Amazon

#12 Trigger Assembly Ebay

#14 Pump Piston Assembly Ebay : Pump Piston Assembly Amazon

#15 Load/Feed Door Ebay : Load/Feed Door Amazon

#19 Frame Assembly Pin Ebay : Frame Assembly Pin Amazon

#20 Pump Piston Guide Wheel Disc Ebay : Pump Piston Guide Wheel Disc Amazon

#21 Pump Piston Pin Ebay

#22 Trigger Ebay

#23 Trigger Spring Ebay

#24 Trigger Pin Ebay

#25 Exhaust Valve Seat O-Ring Ebay : Exhaust Valve Seat O-Ring Amazon

#30 Pump Piston Head & Pump Tube O-Ring Ebay : Pump Piston Head & Pump Tube O-Ring Amazon

#37 Forearm Screw Ebay : Forearm Screw Amazon

#38 Pistol Grip Trim Cap Ebay : Pistol Grip Trim Cap Amazon

#39 Butt Stock Plate Ebay : Butt Stock Plate Amazon

#42 Small Side Cover Screw Ebay : Small Side Cover Screw Amazon

#53 Barrel Clamp Screw, Only Available Used

#54 Barrel Screw, Only Available Used

#55 Barrel, Only Available Used

#56 Bolt Thumb Handle Ebay : Bolt Thumb Handle Amazon

#57 Bolt, Only Available Used. New Style Bolt Can Be Modified To Work.

#58 Barrel Gasket, Only Available Used

#59 Trigger Sear Ebay

#60 Trigger Sear Pin Ebay

#61 Screw In Exhaust Valve Ebay : Screw In Exhaust Valve Amazon

#62 Pump Tube O-Ring Washer Amazon

#63 Chamber Seal Ebay : Chamber Seal Amazon

#64 Chamber Seal Spring, Only Available Used.

#65 Chamber Seal Support Disc Ebay

#66 Brass Pump Tube, Only Available Used.

#67 Pump Lever Retaining Pin, Only Available Used.

#68 Retaining Pin Spring, Only Available Used.

#69 Pump Lever Pin Roll Pin, Only Available Used.

#70 Pump Lever Handle, Only Available Used.

#71 Pump Handle Screw, Only Available Used.

#72 Pump Lever Arm, Only Available Used.

#73 Pump Lever to Piston Assembly Arm, Only Available Used.

#74 Pump Lever Arm Bushing, Only Available Used

#75 Pump Lever to Piston Assembly Arm Pin, Only Available Used

#76 Pump Arm Lever Plastic Elbow Ebay : Pump Arm Lever Plastic Elbow Amazon

#77 Frame Rail, Only Available Used (New style one can be modified but takes a Lot of skill)

#78 Sight Screw, Only Available Used (Not used with new sights)

#79 Barrel Shroud, Only Available Used (New style ones will work)

#80 Left Hand Forearm, Only Available Used

#81 Right Hand Forearm, Only Available Used

#82 Right Hand Side Cover, Only Available Used

#83 Left Hand Side Cover, Only Available Used

#84 Screw On Rear Sight Amazon

#85 Rear Sight Elevator Ebay : Rear Sight Elevator Amazon

#86 Rear Sight Screws, Only Available Used

Some old style 880s have a removable trigger guard, it is no longer available, also a few models have a different style of chamber seal that is not available, they can be converted to the standard old style seal if you can find the parts to do so.