Fx Wildcat MKIII Compact Plenum Compatibility

[noexcuse4you]

While I was waiting for my Wildcat Mk3 .25 to arrive, I picked up this 2.5" plenum extension --> https://910airguntuningandrepairsllc.com/collections/ernest-rowe-custom-shop/products/fx-wildcat-fx-streamline-plenum-2-extension I've heard reports that it is incompatible with the latest batch of MK3's as it has an air cylinder extension or something. Before I go digging into my rifle, can anyone confirm this? I've reached out to 910 a few weeks ago and haven't gotten a response. If it's not, I'll be posting it for sale.

 

[goodoldbvc]

If you have a moderator on your MK3 compact that is 1.22" diameter there's no problem. That's the huggett atom/bellita/snipe, the donny tanto. My weihrauch and bsa silencers are also 1.22"

Anything wider and you need a barrel extension so the moderator clears the airtube, so that's the 1.6 inch tatsu/sumo, 2" Ronin. Probably a lot of other brands, too.



Some other stuff I omitted-- mrgrim nailed it 

 

[mr.grimm]

More to it than the size of moderator you can use with the plenum extension. The cylinder end cap doesn't thread fully into the plenum extension due to a plenum spacer that is incorporated into the end cap of the newer MK3 Wildcats. Also a spacer needs to be inserted between the regulator and the plenum extension to keep the regulator adjustment screw accessible. If you have access to a lathe you can modify the end cap and make regulator spacer so you can use the 2.5 or the 1.2 plenum extensions from 910 airguns. If you don't have a lathe or access to one you are S O L.

 

[idaho_varminter]

I asked Ernest about this on YouTube, and he said a new plenum was in the works for the latest MKIII’s. 

 

[ladwict]

If your wildcat is from the first batch there is no problem installingbwhatbyou bought. You can see if the endcap of your airtube (you can see when you remove it) has the 2 holes . That is the old batch . There are pics of both versions in this forum somewhere 

 

[ladwict]

*NOTE – NOT COMPATIBLE WITH NEWER WILDCAT MK3 WITH EXTENDED TUBE CONNECTOR*

Forums › PCP Airguns › *NOTE – NOT COMPATIBLE WITH NEWER WILDCAT MK3 WITH EXTENDED TUBE CONNECTOR*

there it is in there with pics about new and old batch wildcat MK3 connection airtube . With and without attached spacer ring 

 

[exsquid]

Here is the discussion that ladwict mentioned: https://www.airgunnation.com/topic/note-not-compatible-with-newer-wildcat-mk3-with-extended-tube-connector/

Above is the newer design.

Below is the older end cap for the plenum on previous WC's and apparently only the first X number of MKIII's.

Hopefully you can look at your WC MKIII and see which type you have.

 

[exsquid]

sent you a PM...