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Questions & Answers
Will this fit Mag-pul mags? Expert Answer

Yes, this should be compatible with any magazine that fits AR-15 rifles.

by Ethan C., Gear Expert, August 13, 2019
Will this work on a Typhoon Defense x12 mag? Expert Answer

The FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter will not work with that magazine.

by Hunter, Gear Expert, April 25, 2023
Customer Reviews
Helpful Positive Review
Our soldiers use this in the field, For the urban fight, I like the backup mag in the forend and butt stock so I don't have too grab a bandolier for extra mags. Pros: Backup mags not dangling, like on bandolier. Cons: Rifle is heavier,
6/8 found this helpful
Helpful Positive Review
A sturdy well built product that delivers just as the description says. Although a bit pricey for a piece of plastic, they've basically cornered the market on this style so I guess they can charge whatever they like to recoup they're R&D. Pros: Great...
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8/8 found this helpful
Helpful Positive Review
I have a couple of these and they worked out great. I have the black ones. I only put a ten round in them. Less weight up front. Love the fact that it doubles as a vertical grip. Very happy with the purchase.
5/5 found this helpful
Helpful Positive Review
Necessary addition by Florida Shooter, December 29, 2019
Perfect polymer product, so far it has accepted every type of mag. The FDE color is slightly off but I've realized no FDE is exact. The mounting is good , I used the permanent bracket but the quick- realise is handy.
2/2 found this helpful
Most Recent Reviews
MG 20 grip and mag carrier by Dru, Verified Owner, May 26, 2026
Excellent accessory for carrying an extra mag and is surprisingly comfortable in the hand. For the price it's hard to beat.
Most Recent Reviews
Accessory review by T Mo., Verified Owner, February 21, 2024
I LOVE this product. I'm in a unique place of needing the ability to be able to grab one weapon system and maybe or not the matching weapon go bag and be prepared to fight a large group of hostels. The mag I put in the AR and in the front mag holder ...
Read More...
0/1 found this helpful
Read All 11 Reviews

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Product Info for FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter

The FAB Defense AR15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter is a 2-in-1 device that acts as a foregrip for recoil control while also containing a slot to store a spare magazine. Each of these AR 15 Parts developed by FAB Defense contain a quick-release attachment that allows for swift, simple mounting and removal. This FAB Defense MG-20 Foregrip and Magazine Carrier is incredibly robust yet lightweight due to its fiberglass reinforced polymer construction. Pick up this versatile FAB Defense 5.56 Mag Carrier and Foregrip Combo to gain a stable grip and increase your ammo carrying capacity.image

Specifications for FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter:

Manufacturer: FAB Defense
Gun Model: M16, M4, AR-15
Fabric/Material: Metal
Condition: New
Weight: 0.174 lb, 79 g
Height: 3.23 in, 82 mm
Width: 33 mm, 1.3 in
Length: 90 mm, 3.54 in

Features of FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter:

  • Fits all 1913 MIL-STD Picatinny rails
  • Specific ergonomic operational design enhances tactical versatility
  • Quick-release attachment allows easy mounting and removal
  • Secure bolt locking system allows optional "permanent" mounting
  • Durable & lightweight fiberglass reinforced polymer construction

Package Contents:

  • FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter

FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter Orderable Models

List of Orderable Models

  • FAB Defense AR-15/M4/M16 Quick Release Front Gun Grip Magazine Adapter, Black, FX-MG20B , MPN: fx-mg20b , UPC: 7290105940186 , Code: 1S0-MZW-MG20-FX-MG20B
  • FAB Defense AR-15/M4/M16 Quick Release Front Gun Grip Magazine Adapter, OD Green, FX-MG20G , MPN: fx-mg20g , UPC: 7290105945266 , Code: 1S0-MZW-MG20-FX-MG20G
  • FAB Defense AR-15/M4/M16 Quick Release Front Gun Grip Magazine Adapter, Desert Tan, FX-MG20T , MPN: fx-mg20t , UPC: 7290105945273 , Code: 1S0-MZW-MG20-FX-MG20T

FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, FAB Defense AR-15/M4/M16 Quick Release Front Gun Grip Magazine Adapter, Black, FX-MG20B , MPN: fx-mg20b-DEMO , Code: 1S0-MZW-MG20-FX-MG20B-DEMO
  • USED, FAB Defense AR-15/M4/M16 Quick Release Front Gun Grip Magazine Adapter, Desert Tan, FX-MG20T , MPN: FX-MG20T-EDEMO , Code: 1S0-MZW-MG20-FX-MG20T-EDEMO-RE-B
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Last updated 2026-06-24 UTC.