Description
The Wolverine PBS-1 earned its reputation as the go-to can for com-bloc rifles, and the interchangeable thread insert system is a big reason why. This WV204 insert is cut in M14x1 right-hand thread, which is the pattern you'll find on Czech VZ58 barrels. Drop it into your Wolverine, pair it with the standard M14 collar that came in the box with your suppressor, and your VZ58 is ready to run quiet without buying a whole second can.
Built Like the Rest of the Wolverine System
Dead Air machines these inserts from stainless steel and treats them with a black nitride finish, so they hold up to the heat and carbon that com-bloc guns love to throw at everything downstream of the muzzle. The insert is fully removable and interchangeable, which is the whole point of the Wolverine setup. Swap inserts, swap hosts. One suppressor, one tax stamp, and a pile of rifles it can live on.
Getting the Right Wolverine Insert for Your Rifle
A quick heads up on fitment, since Dead Air makes a bunch of these and the thread pitches are easy to mix up. This one is 14x1mm right-hand, meant for the VZ58 specifically. If you're running a WASR-10, Yugo, or most AKM pattern rifles, those take the 14×1 left-hand insert (WV200) instead, and Century guns like the VSKA need the long version. The good news is that all of the smaller inserts, this one included, use the same M14 collar your Wolverine shipped with, so there's nothing extra to buy for a VZ58 setup.
If a VZ58 is part of your collection and you already own the Wolverine, this insert is the missing piece. It installs in seconds, seals up tight, and lets that Czech classic join the rest of your suppressed lineup.
Key Specifications
- Manufacturer: Dead Air Silencers
- Manufacturer Part Number: WV204
- UPC: 810128161435
- Model: Wolverine PBS-1 Thread Insert
- Thread Pitch: M14x1 Right Hand
- Platform Compatibility: Czech VZ58 barrels
- Compatible Suppressor: Dead Air Wolverine PBS-1
- Required Collar: M14 collar (included with the Wolverine suppressor)
- Material: Stainless steel
- Finish: Black nitride
- Shipping Weight: 0.155 lb
What’s Included
- Wolverine 14x1mm RH thread insert (WV204)
Frequently Asked Questions
Will the Dead Air Wolverine 14mm thread insert fit my AK?
Not this one. This WV204 insert is 14x1mm right-hand thread, which fits Czech VZ58 barrels. Most AKM pattern rifles like the WASR-10 and Yugo guns use 14x1mm left-hand threads, so you'd want the WV200 insert for those instead.
Do I need to buy a separate collar for this insert?
No. All of the smaller Wolverine thread inserts, including this 14mm RH version, use the standard M14 collar that ships in the box with the Wolverine PBS-1 suppressor. Only the M24 and M26 inserts require different collars.
How does the Wolverine thread insert system work?
The inserts set the thread pitch of the Wolverine suppressor and are fully removable and interchangeable. That means you can move one Wolverine across multiple rifles with different muzzle threads just by swapping inserts, rather than owning a separate can for each host.
What is the WV204 insert made of?
It's machined from stainless steel and finished in black nitride. That combination handles heat and carbon buildup well, which matters when you're hanging a can off a hard-running com-bloc rifle.





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