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Magazine Extension for 20GA Remington 870
Magazine Extension for 20GA Remington 870
Magazine Extension for 20GA Remington 870
Magazine Extension for 20GA Remington 870
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CHOATE - Magazine Extension for 20GA Remington 870

12 Reviews
Magazine Extension for 20GA Remington 870
Brownells #
159000007
MFR #
CMT-01-04-33
UPC
$52.99
Coupon Code
Purchase Limit Help

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Standard Shipping Estimated Delivery
Estimated delivery: Oct 9
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Specifications
Cartridge Capacity:
3
Item Width (Inches):
1.500
Gauge:
20 Gauge
Material:
Multiple
Quantity:
1
Item Length (Inches):
8.250
Item Weight (lbs):
0.300
Make Model Fit:
Remington.870
Restriction
Magazine Tube Extension:
Yes
Age restriction:
18 and above
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What is the CHOATE - Magazine Extension for 20GA Remington 870?

CHOATE MAGAZINE EXTENSION FOR 20 GAUGE REMINGTON 870

Increase the capacity and versatility of your Remington 20 Gauge 870 shotgun with the CHOATE Remington 20 Gauge 870 Shotgun Magazine Extension. Designed for reliability and fast installation, this rugged steel extension replaces the factory magazine cap to provide additional ammunition capacity for home defense, duty use, competition shooting, and tactical applications. Its durable construction and proven performance have made it a popular upgrade among Remington 870 owners.

Built from steel with a durable blued or parkerized matte finish, the extension is engineered to withstand heavy use while maintaining a clean, factory-style appearance. The included barrel clamp helps stabilize the extension under recoil while also providing a convenient sling mounting point, making this an ideal enhancement for shooters looking to maximize both capacity and functionality.

FEATURES

  • Fits Remington 20 Gauge 870 shotguns
  • Adds additional magazine capacity beyond factory configuration
  • Steel tube construction for long-term durability
  • Available in blued or parkerized finishes
  • Quick and simple installation
  • Replaces factory magazine cap assembly
  • Includes barrel support clamp for added stability
  • Integrated sling swivel mounting capability
  • Suitable for home defense, law enforcement, and competition use
  • Designed for dependable feeding and reliable performance

SPECIFICATIONS

  • Manufacturer: Choate
  • Product Type: Shotgun Magazine Extension
  • Firearm Platform: Remington 870
  • Gauge Compatibility: 20 Gauge Models
  • Material: Steel
  • Finish: Blued or Parkerized Matte Finish
  • Installation Method: Threads onto magazine tube in place of factory cap
  • Capacity Increase: Model Dependent
  • Barrel Clamp: Included
  • Sling Mount Compatibility: 1" Swivel Rings with Studs

INCLUDES

  • Magazine Extension Tube
  • Extended Magazine Spring
  • Follower
  • Barrel Clamp with Sling Swivel Mounting Points

CUSTOMER INSIGHTS

Customers consistently praise the CHOATE Remington 870 Shotgun Magazine Extension for its solid steel construction, straightforward installation, and substantial increase in ammunition capacity. Many users report excellent fit and reliable feeding performance once installed, making it a popular choice for home defense setups and range use. Owners frequently highlight the product's value for the price, noting that it delivers durable performance comparable to more expensive alternatives. Some reviewers recommend upgrading or tuning certain included components based on personal preference, but overall customer satisfaction remains very high thanks to the extension's reliability and rugged design.

The CHOATE Remington 870 Shotgun Magazine Extension is a practical upgrade for shooters seeking greater onboard ammunition capacity without sacrificing reliability. Combining durable steel construction, straightforward installation, increased round count, and an included barrel clamp with sling mounting capability, this extension delivers enhanced performance for tactical, defensive, competition, and recreational applications. Whether upgrading a home defense shotgun or preparing for action shooting events, the CHOATE magazine extension is a dependable and cost-effective solution.

Magazine Tube Extension Restriction
Please check with your state regulations for ownership of Magazine Tube Extensions.

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CHOATE MAGAZINE EXTENSION FOR 20 GAUGE REMINGTON 870 REVIEWS

4.7
12 Reviews
5 Stars
83%
4 Stars
8%
3 Stars
0%
2 Stars
8%
1 Stars
0%
Reviews Summary
The REMINGTON 870 SHOTGUN MAGAZINE EXTENSION receives mixed reviews, with users praising its easy installation and solid construction but highlighting issues with components like the follower and clamp. Many appreciate the enhanced round capacity, making it highly suitable for home defense. Overall, it’s seen as a reliable upgrade, though some expressed concerns about certain parts.
What Reviewers Are Saying
Installation Ease
70%
Many reviewers commend the simple installation process of the magazine extension, indicating it can typically be done quickly with minimal tools. This ease of use adds to the product's appeal, especially for those new to shotgun modifications.
Product Quality
65%
The overall construction of the extension is generally praised, with users noting its heavy gauge steel design and solid fit. However, there are mixed opinions regarding specific components like the follower and clamp, with some considering them to be of inferior quality.
Increased Capacity
80%
Many reviews highlight the significant increase in magazine capacity as a primary advantage of the extension. With the ability to add extra rounds, users find it particularly valuable for home defense scenarios, enhancing the functionality of their shotguns.
Component Issues
55%
A recurring theme in the reviews is dissatisfaction with certain components, particularly the follower and clamp. Some users experienced jamming issues and instability, leading to recommendations for replacements, reflecting less confidence in the complete kit.
Value for Money
60%
Reviewers often mention that the magazine extension provides good value for its price, particularly in comparison to factory options. This affordability, along with performance, makes it a frequent choice among shotgun owners.
5
Nice fit and finish
Put on a rem 870 20 gauge youth. Just used a dremil and knocked down the detents on the mag tube and placed the new follower and spring in the tube, screwed on the extension, and bobs your uncle. The extension falls about 1 inch shy of the end of the barrel.
by fla-fla-flew-high on January 05, 2022
Was this review helpful? 5
5
Perfect fit with no issue.
Bought this for the 3 round addition to our Rem. 870. After removing the BIG orange plug it was a 4 round addition. For home defense 7 is enough. but for target it sure is nice to get the 8th one in there. I have an older model so no dents to swage out. When on in seconds. One Tip, get the support bracket on tight. Not death grip tight, but tight. Recoil will cause it to move to the end if it's not tight enough. Not a detraction but a learning. Looks good, works good. If I had another gun like this I would get another one of these.
by Robert's G. on August 17, 2021
Was this review helpful? 2
5
10 shot Remington 870 magazine extension
This product is exactly what I expected from Brownells. Quality and price were more than fair and the fit and finish was everything it was advertised to be. No problems installing it and it feeds perfectly. I highly recommend it. For home defense or the occasional Antifa riot (you know you were thinking that exact thing) I can't think of anything better that a 10 + 1 shot 870 Remington shotgun with high brass 34 shot.
by T-bone T. on July 11, 2020
Was this review helpful? 5
5
Installation tricky
This kit will extend the 4+1 Rem 870 shot magazine to 9+1. The trick to successful installation is grinding the stop in the Rem magazine smooth. Otherwise the stop will catch upon loading shells. Dremel grinder will do the job...grind slowly...
by One H. on May 17, 2013
Was this review helpful? 7
5
Pleasantly Surprised
Like another user, I bought this to fit my 870 Youth 20 gauge, FYI its built on a smaller frame than the 12 gauge 870. Wanted a home defense/truck gun. I was nervous because I have never bought a Choate product, but I was not dissapointed.. The extension is beefy beyond all reasonable expectations. The clamp that comes with it is utilitarian, it works but I may replace it in the future, it also has a sling attachment point but I don't have a sling on this, so its useless to me so far. The locking collar/nut on the tube matched the matte finish on my gun but the tube itself is nicely blued. Not a big deal to me. The mag spring seems kind of cheap I may also replce it, we will see. All in all I am pretty happy with it so far.
by Bill on March 14, 2012
Was this review helpful? 1
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Customer Questions
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