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Questions & Answers
Will this fit the 500 with the shorter action tube?

To clarify my previous answer, suggest you ask your question directly to FAB Defense thru their website.

by Harry, Verified Owner, March 28, 2022
What modifications do you need to make to this forend for it to fit a shockwave? Is it the same modifications needed as the Magpul forend? Expert Answer

Please email us at techsales@opticsplanet.com regarding your question.

by Hunter, Gear Expert, February 7, 2023
Customer Reviews
Helpful Positive Review
Perfect Fit. by Kevin, November 1, 2023
Perfect fit and functionality for my Mossberg 500A
4/4 found this helpful
Helpful Positive Review
Fits nice and fit, and low profile like the OEM corncob,, but much much better. Has Mlok on both sides and underneath. What’s the biggest plus is, you can still run your HeatShield. I believe it might be the perfect forearm for the 500/590.
2/2 found this helpful
Helpful Positive Review
Needs Better Stippling, But Made It Work by Sebastian, Verified Owner, December 24, 2024
Installed this in my 590 Shockwave (18.5" heavy walled barrel).Wanted a forend with a more aggressive texture than the Magpul forend. Unfortunately, the stippling is shallower than I had hoped. Its just good enough with dry hands, but somewhat slippe...
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1/1 found this helpful
Helpful Positive Review
Great Fit on Mossburg 590 by Jay, Verified Owner, June 14, 2024
Great fit to replace OG forend. The low profile was perfect for the heatshield. I didn't have to crimp it to be compatible. Would purchase again if needed and would recommend many times over if you have a heatshield.
1/1 found this helpful
Helpful Positive Review
Solid and ergonomic by Joe M, Verified Owner, November 16, 2023
Compared with my Magpul forearm, I much prefer the feel of this. It has great texturing, has M-lok slots to attach whatever your heart desires, fills the hand nicely, and fits tightly on the action slide. I would definitely buy this again. I think th...
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1/1 found this helpful
Helpful Negative Review
Mossberg 590s Shockwave. by Dan T, Verified Owner, November 14, 2024
Buyer beware this forearm will not fit the Mossberg 590s shockwave without some additional modifications or an extended magazine cap! You will have to cut about two inches of the FAB forearm and shave down the grooves inside the forearm about an inch...
Read More...
1/1 found this helpful
Read All 21 Reviews
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Product Info for FAB Defense M-LOK Compatible Handguard for Mossberg 500/590

The Vanguard is featuring the M-LOK rail system, in a slim yet durable design. Tested to withstand use during rapid fire, the Vanguard is built with the professional user in mind.image

Specifications for FAB Defense M-LOK Compatible Handguard for Mossberg 500/590:

Manufacturer: FAB Defense
Gun Make: Mossberg
Gun Model: Mossberg Model 590, Mossberg Model 500
Gun Rail: M-LOK
Included Accessories: Standard
Condition: New
Gun Type: Rifle
Quantity: 1

Features of FAB Defense M-LOK Compatible Handguard for Mossberg 500/590:

  • M-LOK compatible handguard accepts direct attachment M-LOK accessories or M-LOK 1913 Picatinny rail sections
  • Easy installation, no Gunsmith required
  • Extremely durable polymer construction

Package Contents:

  • FAB Defense M-LOK Compatible Handguard for Mossberg 500/590

FAB Defense M-LOK Compatible Handguard for Mossberg 500/590 Orderable Models

List of Orderable Models

  • FAB Defense M-LOK Compatible Handguard for Mossberg 500/590, ODG, fx-van500g , MPN: fx-van500g , UPC: 7290111586842 , Code: 1S0-2RF-MLC1-fx-van500g
  • FAB Defense M-LOK Compatible Handguard for Mossberg 500/590, FDE, fx-van500t , MPN: FX.VAN500T , UPC: 7290111586859 , Code: 1S0-2RF-MLC1-fx-van500t
  • FAB Defense M-LOK Compatible Handguard for Mossberg 500/590, Black, fx-van500b , MPN: fx-van500b , UPC: 7290111586835 , Code: 1S0-2RF-MLC1-fx-van500b

FAB Defense M-LOK Compatible Handguard for Mossberg 500/590 Unavailable & Discontinued Models

List of Unorderable Models

  • USED, FAB Defense M-LOK Compatible Handguard for Mossberg 500/590, Black, fx-van500b , MPN: FX-VAN500B-EDEMO , Code: 1S0-2RF-MLC1-fx-van500b-EDEMO-RE-C
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