Volquartsen Firearms Mamba-X 22 LR Universal Optics Slide VF4M-X

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Competition shooters are always looking for that "little something" that will save even a fraction of a second. The Black Mamba-X and its multiple hole mounting locations will do just that.

Keeping the red dot mounted as low to the bore-axis as possible makes for faster sight acquisition and there is no better way to do that than to mount the red dot directly to the upper. The Black Mamba-X is built using our LLV-4X 4.5" Competition Upper that features an integrally machined universal red dot mount.

The Black Mamba-X is a competition ready pistol in a push-button takedown configuration. Nothing strikes with the speed and agility of the Black Mamba. It combines features from the Volquartsen Scorpion 22 LR Target Pistol along with the push-button takedown functionality of the Ruger® MK IV™ 22/45 frame.

The Black Mamba-X comes standard with:

  • A ½ x 28 threaded stainless steel 4.5” barrel with stainless steel laser-hardened breech within a type III hard anodized aluminum shroud
  • Volquartsen Accurizing Kit for a 2.25 lb trigger pull
  • DLC coated Volquartsen Competition Bolt
  • Volquartsen Single-Port Compensator


  • Compensator
    • Black Anodized Aluminum
    • Single-Port
  • 4.5 inches
  • Black Anodized Aluminum
  • Hogue Grips
  • Universal Red Dot Mount

Included Items

  • 2 Magazines


Product Number VF4M‑X
Approximate weight 1lb 12oz
UPC 810162019396
Magazine Capacity 10
Muzzle Threads 1/2x28
Overall Length 9.875"
Barrel Length 4.5"
Overall Barrel Length 5.625"
  • Compatible with the following optics:
    • Burris Fast Fire
    • C-More RTS 2
    • C-More Slide Ride
    • JP Enterprises JPoint
    • Leupold DeltaPoint
    • Shield Sights Mini Sight
    • Sig Sauer Romeo 1 Pro
    • Sig Sauer Romeo 3 Max
    • Sig Sauer Romeo 3 XL
    • Trijicon RMR
    • Vortex Viper
    • Vortex Venom
    • Vortex Razor
  • Ruger MK IV 22/45 Frame
  • Volquartsen Accurizing Kit Installed
  • Volquartsen Competition Bolt
  • Made in the USA
  • This item must ship to an FFL dealer.



Instructions for the Universal Red Dot Mount are available online

Categories: Semi Auto Pistols
Condition: New
Manufacturer: Volquartsen Custom
Model: Mamba-X
Caliber: 22 LR
SKU: 810162019396
UPC: 810162019396
Vendor: Gunprime
Reviews (1)
By Jean Astie on 02/28/23
A joy to shoot

I don't know how I would improve on this one. It's exactly what I hoped it would be. I wanted to find a gun that would match the speed and accuracy I can achieve my CZ TSO 9mm target pistol and this gun delivers. Being able to mount optics directly to the slide with no adapter plate is a huge win. This gun will see far more rounds than any other of my .22 pistols.

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