Will this allow one more round? Is there another extension to add two rounds without extending beyond the end of the barrel? Ready to buy

Hi Rolf and welcome. This adds +1 2 3/4-inch shell. +2 or better extensions available here: https://wilsoncombat.com/accessories/parts-for-shotguns/shotgun-magazine-tube-parts.html -------- Cheers and stay safe!

Good evening to you!! This adds one extra 2.75" shell. Plus 2 extension is listed below. Have a good rest of your day. https://www.opticsplanet.com/lyman-remington-870-2-rounds-shotgun-magazine-extension.html

My shotgun make already 5 and 1 and the specs say that with the extension will make that I am concern that the spring will but loose inside because is already make tha capacity

Hi Waldo, it has an extra power extended spring so it will provide strong spring tension. Cheers and stay safe!

Hi Waldo, this includes the Extra-Power Magazine Spring for improved reliability, so it will function just fine in your 870 Tactical. Also includes a high visibility follower for improved feeding. Stay safe & have a great day!

Waldo, this includes a Extra-Power magazine spring and works with several magazine tube capacity's. So nothing to worry about. Hope this helps.

This fit a remington 870 tactical

Hi Waldo and welcome to the Buds Community. Yes, it Fits: Remington 870/1100/1187 12 Gauge Models including the 870 Tactical. Cheers and stay safe!

Hi Waldo, yer sir, this will work on your 870 Tactical shotgun. Stay safe & have a great day!

Waldo, yes sir, several reviews saying it'll fit the 870 tactical. So this will fit and function just fine. Hope this helps.

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Wilson Combat Extension Tube Rem 870, 1100, 1187 -12

Name: Wilson Combat Extension Tube Rem 870, 1100, 1187 -12
Brand: Wilson Combat
SKU: 74710
Price: 45.00 USD
Availability: InStock
Rating: 5.00 (1 reviews)

Questions & Answers (3) Reviews 5 out of 5

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This One Shot Tactical Magazine Extension Tube fits 12 gauge Remington M870, 1100, and 1187 to increase magazine capacity to 5 rounds. It has an extra-power magazine spring for improved reliability and a high-visibility follower for visual reference of the empty magazine tube. This mag extension also has a sling mount on the left side for right-handed shooters.

Product Information

Caliber

12 Gauge

Capacity

1rd

Finish

Parkerized

Model

Extension Tube

$45.00

Add to Cart for Best Price

Financing Available

MFG: Wilson Combat

Model: SGETRH1

Bud's Item Number: 74710

UPC: 874218003418

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Retail Store Availability

In-Store Purchase Only
Lexington, KY	Not in store
Greenville, KY	Call for availability
Sevierville, TN	Call for availability

1 Review

Wilson Combat Extension Tube Rem 870, 1100, 1187 -12

1 Reviews. 5 out of 5 Stars!

5 Stars

100%

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Melvin L on 03/31/2024

Rating: 5 of 5 Stars!

Very well made and sleek. Arrived on time and in good condition. Haven't installed it yet, waiting on dent removal. Thank you.

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Questions & Answers

Q: Will this allow one more round? Is there another extension to add two rounds without extending beyond the end of the barrel? Ready to buy
Answered

Asked 06/10/2025 11:05 by Rolf W

A:

Hi Rolf and welcome. This adds +1 2 3/4-inch shell. +2 or better extensions available here: https://wilsoncombat.com/accessories/parts-for-shotguns/shotgun-magazine-tube-parts.html -------- Cheers and stay safe!
See 1 more answer |
Q: My shotgun make already 5 and 1 and the specs say that with the extension will make that I am concern that the spring will but loose inside because is already make tha capacity
Answered

Asked 08/25/2023 20:13 by Waldo R

A:

Hi Waldo, it has an extra power extended spring so it will provide strong spring tension. Cheers and stay safe!
See 2 more answers |
Q: This fit a remington 870 tactical
Answered

Asked 08/25/2023 15:09 by Waldo R

A:

Hi Waldo and welcome to the Buds Community. Yes, it Fits: Remington 870/1100/1187 12 Gauge Models including the 870 Tactical. Cheers and stay safe!
See 2 more answers |