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Questions & Answers
Is there a list somewhere of lights that fit? I’ve tried several and none of my lights fit. Also two of my lights claim to be 1inch diameter. Manufacturer Answer

Any Tactical light 1" in diameter will fit

by FAB Defense, Manufacturer, April 9, 2025
what is the difference between the two listings> T can't tell from your description. I'm interested in the ! inch model. Do you have it in stock? Expert Answer

The FAB Defense 1in Bayonette Lug Mount model MPN:fx-fba will be compatible with AR15/M4 Bayonet Lugs. While model MPN:fx-fba58 is compatible with the VZ58 Bayonet Lug.

by Ethan, Gear Expert, August 29, 2023
Customer Reviews
Helpful Positive Review
Finally got around to installing the unit on an M4 upper. Tried to install by hand, no dice - VERY tight fit to say The least. Tool time.. Here’s what worked for me. Oil the bayonet lug and mount , place the FAB mount on bayonet lug and push on by h...
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1/1 found this helpful
Helpful Positive Review
The VZ-2008 from Century Arms comes with a bayonet lug for its folding-stock rifle. This light attachment fits the bayonet lug perfectly. There’s a dimple in the bayonet lug. You need a 2.5mm hex drive to secure the hidden set screw to the barrel....
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1/1 found this helpful
Helpful Negative Review
It was returned because it did not fit my light. Getting an item that fits lights that are just an eighth of an inch too big seems to be the norm. The fixtures seem to all stop at 1 inch, no matter what, so if your light has some material added to ...
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1/1 found this helpful
Most Recent Reviews
Works, kind of by Jesse Sando, Verified Owner, November 30, 2024
Got it for a retro LWRC rifle with the sight post gas block with bayonet lug. Took a bit of modification to even get it on, and once I did... The light barely clears the rail or a muzzle device, let alone a suppressor. I went with a streamlight handh...
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Most Recent Reviews
Excellent product. Only one of it's kind I know of. Works perfect with FAB 1" flashlights. No more ugly bayonette lug that's cannot accept a bayonette due to barrel length.
Most Recent Reviews
Does not fit a true czechpoint vz58 by Scott, Verified Owner, February 24, 2021
I'm not sure about Century VZ2008s but on my legit Czechpoint the rails are too tight. I will try to fix with some rat tail files but otherwise no bueno. It is a fair bit off to not just the powder coat pushing it over I will have to legit remove met...
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Read All 6 Reviews
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Product Info for FAB Defense 1in Bayonette Lug Mount for Tactical Light/Laser

The FAB Defense 1in Bayonette Lug Mount for Tactical Light/Laser is designed to perfectly hold tactical lights and laser devices. This Tactical Mount System by FAB Defense fits 1 inch diameter lights or lasers and provides a secure bolt locking system for the mounted device. The FAB Defense Tactical Light Bayonet Lug Mount has a durable, lightweight construction and is precision machined aviation-grade anodized aluminum. This FAB Defense Firearm Mount is easy to fit and dismantle thanks to the Allen bolts. The tight fit of the FAB Defense Bayonet Lug Tactical Laser/Flashlight Mounting Kit ensures the stability and accuracy of all laser and optical devices.image

Specifications for FAB Defense 1in Bayonette Lug Mount for Tactical Light/Laser:

Manufacturer: FAB Defense
Flashlight Application: Hunting
Fabric/Material: Aviation-Grade Anodized Aluminum
Color: Black
Additional Features: AR15/M4 Mount
Tube Diameter: 1 in
Gun Model: AR-15

Features of FAB Defense 1in Bayonette Lug Mount for Tactical Light/Laser:

  • Secure bolt locking system for mounted device
  • Tight fit
  • Durable, lightweight construction
  • Easy to install and dismantle
  • Secured by allen bolts
  • No modification or gunsmithing

Package Contents:

  • FAB Defense 1in Bayonette Lug Mount for Tactical Light/Laser

FAB Defense 1in Bayonette Lug Mount for Tactical Light/Laser Orderable Models

List of Orderable Models

  • Open Box, Dealer Demo, FAB Defense 1in Mount for Tactical Light/Laser - AR15/M4 Bayonet Lug, FX-FBA , MPN: FX-FBA-DMO , Code: 1S0-1F-1MNTTACL-FX-FBA-DMO-OB-A
  • FAB Defense 1in Mount for Tactical Light/Laser - AR15/M4 Bayonet Lug, FX-FBA , MPN: fx-fba , UPC: 7290105941268 , Code: 1S0-1F-1MNTTACL-FX-FBA

FAB Defense 1in Bayonette Lug Mount for Tactical Light/Laser Unavailable & Discontinued Models

List of Unorderable Models

  • FAB Defense 1in Mount for Tactical Light/Laser - VZ58 Bayonet Lug, FX-FBA58 , MPN: fx-fba58 , UPC: 7290105941305 , Code: 1S0-1F-1MNTTACL-FX-FBA58
  • FAB Defense 1in Mount for Tactical Light/Laser - UZI Bayonet Lug, FBA-UZI , MPN: fx-fbau , Code: 1S0-1F-1MNTTACL-FBA-UZI
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