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Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit Up to 16% Off w/ Free S&H — 4 models

Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, FDE, BREMTFDE
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Gray, BREMTGR
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, OD Green, BREMTOD
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
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Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, FDE, BREMTFDE
2 of 7 images
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, FDE, BREMTFDE
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Gray, BREMTGR
3 of 7 images
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Gray, BREMTGR
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, OD Green, BREMTOD
4 of 7 images
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, OD Green, BREMTOD
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
5 of 7 images
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
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Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK
7 of 7 images
Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK

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Questions & Answers
Will this work with the Benelli clone Panzer M4?

Yes, it’s fits the Panzer Arms M4 directly without any modifications. Just need to use heat gun to loosen the thread locker to remove original magazine tube.

by Michael, Verified Owner, October 25, 2025
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Mag tube fit Benelli M4 perfectly by Scott, Verified Owner, December 20, 2024
I added this 7 round tube to my Benelli M4 and it was a direct replacement. The carbon fiber is nice, strong and light weight. Black finish on the metal ends matched color well. Came with new spring and follower. You do have to heat the original mag...
Read More...
1/1 found this helpful
Most Recent Reviews
E1M1 Super Shot Gun by Dubz, Verified Owner, October 1, 2025
I hate reloading and I had guns that come with Authoritarian unlawful shot tubes. This solves that problem.
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Product Info for Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit

Black River Manufacturing magazine tubes are extremely tough this is a full length magazine replacement for the M4 / SBE 3 also extends the capacity of the magazine on the civilian version to 6+1.image

This is a complete kit. The magazine tube kit comes with everything you need.

WHAT'S INCLUDED: magazine tube, picatinny magazine tube clamp, extended spring and follower.

Specifications for Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit:

Manufacturer: Black River Manufacturing
Fabric/Material: Aluminum, Steel
Magazine Capacity: 7 Round
Gun Make: Benelli
Gun Model: Benelli Super Black Eagle III, Benelli M4
Gun Type: Shotgun

Features of Black River Manufacturing Benelli M4 Extended Magazine Tube

  • Benelli M4 Extended Magazine Tube, Carbon Fiber, Clamp, Spring, Follower

Package Contents:

  • Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit

What firearm models does the manufacturer say Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit is compatible with?

The manufacturer says that Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit is compatible with Benelli M4, Benelli Super Black Eagle III

Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit Orderable Models

List of Orderable Models

  • Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Black, BREMTBK , MPN: BREMTBK , UPC: 810159630993 , Code: 4ZK-MZX-B2B4EM-BREMTBK-7RD
  • Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, FDE, BREMTFDE , MPN: BREMTFDE , UPC: 810159631006 , Code: 4ZK-MZX-B2B4EM-BREMTFDE-7RD
  • Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, Gray, BREMTGR , MPN: BREMTGR , UPC: 810159631013 , Code: 4ZK-MZX-B2B4EM-BREMTGR-7RD
  • Black River Manufacturing Benelli M4/SBE 3, 7 Round, Magazine Extension Kit, OD Green, BREMTOD , MPN: BREMTOD , UPC: 810159631020 , Code: 4ZK-MZX-B2B4EM-BREMTOD-7RD
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