+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

As this is an extension tube, it screws onto where the existing tube endcap is? Will this magazine fit my Mossberg 550 and are any other parts needed? — 1 Answer

by McKinley, from AK, United States Asked on January 18, 2022

Name Lancer Systems Mossberg 590/835 Magazine Extension (1)
As Low As $82.99 Save Up to 25%
View Product
Write a Review
Continue As a Guest
Saving...
Sign In or Create an Account (optional)
or Register
Why use an OpticsPlanet.com account for my questions and answers?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.

Show
Sort by
Filter by
Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on June 01, 2023

The Lancer Systems Mossberg 590/930 Magazine Extension will not work with the Mossberg 550. The Lancer Systems Mossberg 590/930 Magazine Extension does screw on with the existing magazine endcap is.

Was it helpful to you? Yes | No
Share
Last updated 2025-11-12 UTC.