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Volquartsen Ruger Mark 4, Mark 2 MK II MK IV 4 22/45 Competition Bolt # VC4BT-B


Gauge/Caliber: .22 Long Rifle

Specific Part: Bolt

Custom Bundle: No

Color: Black DLC (Diamond Like Carbon)

Model: VC4BT-B

For Gun Model: MKII, MKIII, MKIV

Country/Region of Manufacture: United States

Vintage: No


For Gun Make: Ruger

Brand: Volquartsen

Type: Action Parts

For Gun Type: Handgun


Mark 4, Mark 2 MK II MK IV 4 22/45 
Competition Bolt 


Are you a competitive shooter looking to eliminate stovepipes,

 failures to fire and improve the overall 

performance of your Ruger MKII, MKIII, or MK IV pistol? 

The Competition Bolt is the answer!

CNC-machined and ground for superior fit and finish
Includes Exact Edge Extractor and SureStrike Firing Pin.

  • Extended Bolt Racker machined integral to the 
bolt for improved manual cycling of the bolt
- no more pinched fingers!

Case hardened and then treated with DLC - 
high-performance premium finish that offers many advantages.

  • Increased hardness
  • Low residual stress
  • Increased lubricity
  • Low coefficient of friction
  • Improved wear resistance
  • Requires much less lubrication

Black finish is Diamond Like Carbon (DLC)

When used with MKIII pistols; the loaded chamber indicator must be removed from the pistol.
Compatible with both 22/45 and Target Models
Made in the USA


    All of our products are BRAND NEW in the box; and contain all of the parts, materials and documentation.

    You can expect and will receive prompt delivery of your order.

    We will ship your order within ONE DAY! 

    We are unable to accept returns on used, fitted, or altered parts. 
    Returns must be in new, unused condition and in their original packaging.