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Questions & Answers
my 870 express has a 24" barrel, will this 10 shot extention exceed past the barrel? Manufacturer Answer

The 10-shot extension has an overall of 14.25". For a total length compared to your barrel, please measure where it attaches at the magazine cap.

by Carlsons Choke Tubes, Manufacturer, December 9, 2021
It says it is "black". Is this metal blued? Manufacturer Answer

It is metal tube that is blued, which is a black color.

by Carlsons Choke Tubes, Manufacturer, September 3, 2021
Customer Reviews
Helpful Positive Review shell tube extension by salmon707, Verified Owner, February 6, 2020
After filing down the internal dimples, and filing down the end of the threads on the origional threads, this thing fits amazing. About an inch or 2 shorter than my 28"barrel on my 870. Never had a misfeed after 2000+rounds though
9/9 found this helpful
Helpful Positive Review holds 9+1, solid product by salmon707, Verified Owner, July 24, 2019
after sanding down the dimples on the stock tube, this fit right on , feeds perfect, killer product spring is strong, follower works great. holds 9 +1. about an inch or 2 shorter than my 28" barrel. looks real good and clamps on solid
2/3 found this helpful
Helpful Positive Review 1187 Remington magazine extensions by Critterman, August 7, 2021
Parts are all well made except for the shell follower ,it is molded plastic and was miss shaped had to trim the end that fits inside spring and decrease the diameter of the follower to get it to function. It definitely not a drop input as described. ...
Read More...
1/1 found this helpful
Most Recent Reviews 870 10 shot Extended magazine tube by Tim Kitchens, January 27, 2025
Fast shipping received package in great condition. Installation was quick and easy. Took it straight to the range and shot a tactical shotgun match.80 rounds, Remington ran perfect.
Most Recent Reviews Very nice looking tube , by TURBOSPORT 2112, Verified Owner, July 24, 2024
Mine holds 11--all together 00 buck fetters in my 28" barell 1 in barell and 10 in the tube and tube is 3" shorter than the barell,and I was satisfied,,but I got a pumpkin puncher that fits on tube and it's even,looks very kool and wicked,along with ...
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Most Recent Reviews Excellent Product by Madmartigan, Verified Owner, December 9, 2023
Exceptionally well built and strong, installation is extremely simple as screwing it on and off. One word of note, if you are installing this on a Remington 870 express, you will notice a couple of dimples in the end of the magazine tube. They are th...
Read More...
Read All 9 Reviews
Color: Black Magazine Capacity: 10 Round

Code: 8C-MZX-04504-10RD

MPN: 04504

UPC: 723189045043

List: $89.50Save 15%
$76.49

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Carlson's Choke Tubes Remington 870/100/11-87 Magazine Extension 10 Shot

This Carlson's Choke Tubes Remington 870/100/11-87 Magazine Extension 10 Shot will extend the life of your shotgun magazine and allow you to fire more rounds at a time. These Magazine Extensions by Carlson's Choke Tubes fit Remington 870/11-87 shotgun models with #7 thread pitch. By using the included barrel clamp plus & spring, you can easily install the Carlson's Remington 870/11-87 10 Shot Magazine Extension on your shotgun. These extensions are built extremely well and are sure to be a tight-fitting, reliable addition to your firearm. However, they are made out of solid steel, so they're not flimsy and will hold up in the field against much tougher recoil. Unlike other mag extensions, this tube threads all the way to the end of the magazine, so you can easily load shells into the magazine extension. Simply follow the included instructions, and you'll have no problem installing this Carlson's Choke Tubes Remington Magazine Extension.image

Specifications for Carlson's Choke Tubes Remington 870/100/11-87 Magazine Extension 10 Shot:

Manufacturer: Carlson's Choke Tubes
Color: Black
Fabric/Material: Steel
Magazine Capacity: 10 Round
Country of Origin: USA

Features of Carlson's Choke Tubes Remington 870/100/11-87 Magazine Extension 10 Shot:

  • Remington 870/100/11-87 Magazine Extension 10 Shot

Package Contents:

  • Carlson's Choke Tubes Remington 870/100/11-87 Magazine Extension 10 Shot
  • barrel clamp plus & spring

Carlson's Choke Tubes Remington 870/100/11-87 Magazine Extension 10 Shot Orderable Models

List of Orderable Models

Carlson's Choke Tubes Remington 870/100/11-87 Magazine Extension 10 Shot, Black 04504 , MPN: 04504 , UPC: 723189045043 , Code: 8C-MZX-04504-10RD
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