Q&A for Lancer Systems Mossberg 590/835 Magazine Extension

Lancer Systems Mossberg 590/835 Magazine Extension

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Drew, member, from NJ, United States, asked on January 18, 2023

Will these fit a 940 pro Field?

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on February 03, 2023

The Lancer Systems Mossberg 590/930 Magazine Extension will not fit a Mossberg 940.

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Jack, member, from FL, United States, asked on July 25, 2022

Does the 4-shot come with a Extension tube clamp? If not, do you have one specifically for this model?

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on August 10, 2022

The Lancer Shotgun Barrel Extension Clamp at the link below will work with the Lancer Systems Mossberg 590/930 Magazine Extension. The Lancer Systems Mossberg 590/930 Magazine Extension does not come with the extension clamp.
https://www.opticsplanet.com/lancer-shotgun-extension-clamp-with-no-rail-lsx-cp-nr.html

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McKinley, member, from AK, United States, asked on January 18, 2022

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?

Expert Answer

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.

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Roger, member, from CA, United States, asked on March 09, 2021

How long is each tube extension?

Expert Answer

Answered by Todd, Gear Expert, from IL, United States, on October 20, 2021

+2 (6.70")
+3 (9.20")
+4 (10.30")
+5 (12.60")
+6 (14.50")
+7 (17.70")
+8 (18.30")

4 of 4 found the following answer helpful.

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ed, member, from LA, United States, asked on July 29, 2020

will the 2 rnd extension work on the shockwave

Expert Answer

Answered by Todd, Gear Expert, from IL, United States, on October 20, 2021

Yes it should.

1 of 1 found the following answer helpful.

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Parit, guest, from Bangkok, Thailand, asked on March 03, 2020

Does this work with Versamax Competition Tactical? Nordic comp said their Mossberg extension tube is compatible with Versamax Competition Tactical.

Expert Answer

Answered by Todd, Gear Expert, from IL, United States, on October 20, 2021

If the manufacturer said it will, it will.
However we cannot guarantee it.

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I like details, guest, from KY, United States, asked on November 09, 2019

On other sites this item comes with a new spring. On this site it does not say. Is there a spring with it?

Expert Answer

Answered by Armando R., Gear Expert, from IL, United States, on November 19, 2019

Yes, an appropriate length spring will be included.

3 of 3 found the following answer helpful.

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Clay, member, from IN, United States, asked on July 13, 2019

Will the magazine extension reach out pass a 18.5 inch barrel on a Mossberg 590?

Expert Answer

Answered by Armando R., Gear Expert, from IL, United States, on November 19, 2019

These magazine extensions will not work on a Mossberg 500.

0 of 8 found the following answer helpful.

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Eddie, guest, from OK, United States, asked on February 18, 2018

can i efit this on a 590 shockwav

Expert Answer

Answered by Jonathan D., Gear Expert, from IL, United States, on April 03, 2018

Yes, these Lancer magazine extensions will install on a Mossberg 590 Shockwave however they will extend past the barrel.

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Alex Trant, member, from CA, United States, asked on March 11, 2026

Will this fit the Mossberg 990 aftershock?

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Q&A for Lancer Systems Mossberg 590/835 Magazine Extension — 12 Questions & 9 Answers