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Questions & Answers
This should say that it is for a 20" barrel, otherwise it won't be flush in an 18.5 or 18.0 barrel. Also, it is Parkerized, not Parkarized. Expert Answer

Thank you for bringing this to our attention and we apologize for any confusion that may have been caused. We have submitted a request to have the requested information added to our site and the typographical errors fixed.

by Tiffany S., Gear Expert, August 27, 2019
What gauge? It doesn't state. Expert Answer

Fits 18" 870, 1100, 11-87 12 Gauge Shotguns

by Coyte I., Gear Expert, June 27, 2018
Customer Reviews
Helpful Positive Review
Remington +3 magazine ext kit by JP, Verified Owner, March 30, 2017
Works great, easy install, nice finish make sure you tap on primary magazine tube to seat spring when installing Also, you might want to replace magazine foller with one such as S&J Hardware offers I know have a magazine capacity of 7 + 1in chambe...
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1/1 found this helpful
Helpful Positive Review
870 tube extension by bgjacks, October 21, 2020
the tube extension is pretty straight forward. With the exception of needing a drimmel tool to file down 2 bumps in the original tube to allow shells to slide into the extension. Assembly was easy and there are many you tube videos show how.
1/2 found this helpful
Helpful Positive Review
Great product, just what I needed for my Home Defense Shotgun Build, it's Remmington would expect anything different. This adds a few more rounds for the Bad Guys Arrived well packaged, and quicker than expected Thanks Optics Planet
2/3 found this helpful
Helpful Positive Review
870 Magazine Extension by Scott, Verified Owner, April 16, 2018
Nice piece, sticks out about 1/2" past the 20" barrels, but looks great. Loaded and tested, works nice. I have not taken to the range yet, but it cycled rounds nicely. It's hard to beat the factory Remington hardware!
6/7 found this helpful
Helpful Negative Review
Only holds 7 1/2 +1 not 8 by Adam West, Verified Owner, May 20, 2019
The little indent where the clamp goes is the main problem. It narrows down so far that my follower can not go past it and wastes about an inch of space inside the tube. It Will not hold 8 in the tube it will only hold 7 1/2 shells. I took this with ...
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4/12 found this helpful
Read All 5 Reviews
Color: Blued Fabric/Material: Stainless Steel Magazine Capacity: 2 RoundAdditional Features: 18 in barrel Condition: New

Code: RT-MZX-R870ME-19419-2RD

MPN: 19419

UPC: 047700194196

Product No Longer Available

Product Info for Remington Model 870 Magazine Extension Kit

If you're looking around for an amazing bargain on the Remington Model 870 Magazine Extension Kit, then you have arrived at the right spot..image

These Shotgun Magazine Extensions through the expert product experts at Remington are designed using dependable and dependable resources, as a way to provide you with a product which is going to be powerful for quite some time. Manufactured using some of the most useful accessible materials and engineering, these unique Shotgun Magazine Extensions from the product professionals at Remington can last an unbelievably long time.

Remington has been generating high quality products for a number of years, and the Remington Model 870 Magazine Extension Kit is their very own means of revealing exactly how much they are concerned.

Here at OpticsPlanet, we make it our obligation to receive the perfect product for all of your specifications, and exhibiting the Remington Model 870 Magazine Extension Kit is a thing that we're delighted to offer.

Package Contents:

  • Remington Model 870 Magazine Extension Kit

Related Products to Remington Model 870 Magazine Extension Kit

Remington Model 870 Magazine Extension Kit Unavailable & Discontinued Models

List of Unorderable Models

  • Remington Model 870 18in Magazine Extension Kit Adds 2 Extra shots Blued Stainless Steel, Blued 19419 , MPN: 19419 , UPC: 047700194196 , Code: RT-MZX-R870ME-19419-2RD
  • Remington Model 870 20in Magazine Extension Kit Adds 3 Extra shots Blued 19421 , MPN: 19421 , UPC: 047700194219 , Code: RT-MZX-R870ME-19421-3RD
  • Remington Model 870 18in Magazine Extension Kit Adds 2 Extra shots Blued Stainless Steel, Parkarized 19420 , MPN: 19420 , Code: RT-MZX-R870ME-19420-2RD
  • Remington Model 870 20in Magazine Extension Kit Adds 3 Extra shots Parkarized 19422 , MPN: 19422 , Code: RT-MZX-R870ME-19422-3RD
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