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THE V3-R AND THE REGULATED

Finally, the sub 6FPE UNREGULATED GK1 is now available. This means that now your options for the GK1 have expanded!
Before the arrival of the current gun, we were sending the regulated version of the GK1, which was a Wolfiek Group development for the GK1.

This version not only provides the benefits of having a regulator, but also allowed us to tame the GK1 and have it shoot safely and consistently under 6FPE.


We called this version the GK1 V3 “R”, for Regulated. Now, finally, you can now choose a different path – the Unregulated GK1, but also sub 6FPE. This gun shoots safely and consistently at sub 6 FPE too, making it UK-legal. Huben has chosen to name this gun the GK1 V3-R.

Therefore, in order to avoid any confusions in the future, we’ll rebrand the regulated version as the “GK1 V3 Regulated”, and the sub 6FPE unregulated version will be now called as the manufacturer named it – “GK1 V3-R”

To sum it up and be absolutely clear, our two sub 6FPE options are...

  • The GK1 V3 Regulated:It is a GK1 V3 with a regulator.
  • The GK1 V3-R: It is an unregulated GK1 capable of sub 6FPE capable .
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Frequently Asked Questions

General Power and Adjustment Questions

Are the GK1 V3 Regulated and the V3-R limited to sub 6 FPE?

Power adjustment is done in the same way for both (or any GK1) versions: through the power wheel that is adjusted through the grip.

Performance and Usage Differences

Conversion and Preference Questions