Description
If you've run your MK IV for any amount of time, you've probably noticed the gap between the frame and upper receiver. That's where Volquartsen's bedding gels come in. These are simple, effective little tools that take the slop out of your gun's setup.
They're made from Technogel, which is soft enough to conform to your frame and upper combination without needing shims or custom fitting. Just peel the adhesive backing and stick one behind the front lug on your frame. The material shapes itself to fill voids and create a consistent lockup point every time you reassemble your pistol. Most people only need one per gun, though you get two in the pack.
Bedding Gels Work on Both MK IV Variants
These gels fit both the standard Ruger MK IV and the 22/45 MK IV. Installation takes minutes and there's no gunsmithing required. The soft gel nature means you can still remove your upper easily without fighting anything. A lot of people add a small dab of super glue to keep them in place permanently, but they'll stay put on their own.
Why Tighter Lockup Matters
Tighter receiver lockup reduces movement between the upper and lower, which translates to more consistent accuracy. When your gun's upper shifts around on the frame, your point of impact can shift with it. These gels aren't a magic fix, but they do eliminate that slop most MK IVs come with from the factory. The improvement is noticeable when you pick the gun up and work the action.
Key Specifications
- Manufacturer: Volquartsen Firearms
- Model Number: VC4BG
- UPC: 810162017446
- Compatibility: Ruger MK IV, Ruger 22/45 MK IV
- Material: Adhesive-backed Technogel
- Quantity: 2 gels per pack
- Installation: Peel and stick, no tools required
- Color: Black
- Country of Origin: United States
What’s Included
- Two bedding gels with adhesive backing
Frequently Asked Questions
How many gels do I need per pistol?
You only need one gel per gun. The pack includes two, so you can do two pistols or keep a spare. The gel goes in the frame just behind the front lug where it contacts the upper receiver.
Do bedding gels stay in place after installation?
The adhesive backing keeps them secure, though some people choose to add a small drop of super glue for permanent installation. They won't fall out on their own when you disassemble the upper and lower, but the adhesive alone is enough for most users.
Will these gels affect how my MK IV functions?
No, they're purely a consistency tool. They fill the gap between frame and upper to reduce movement, which can improve accuracy. The soft gel material won't interfere with any moving parts. Clean the contact surfaces before installation for best results.
Do these work on the 22/45 MK IV as well?
Yes, Volquartsen designed these for both the standard MK IV and the 22/45 MK IV variant. They'll fit either model without any issues.




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