On this gun I didn’t have to make my own stuff to put in the shroud. Air-fective had a kit. It works.
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On this gun I didn’t have to make my own stuff to put in the shroud. Air-fective had a kit. It works.
It doesn’t mount on, it mounts in. You take all the metal baffles out of the shroud, take the stock muzzle brake off the barrel, then install their stuff. If your gun is tuned properly and not wasting air, it’s worth every penny. It’s as quiet as anyone should need. I added another grub screw or two in the rear shroud mount on mine. The TJ barrel was slightly smaller diameter than the stock barrel.
My larger plenum is internal and a one piece CNC machined piece. It took up some air space but didn’t make my gun any longer. If I were you I would make one investment at a time with the gun. After the barrel, poppet, spring, plenum and possibly porting job, make sure the gun is worthy of a good shroud kit. You might wind up dumping the gun in the classifieds and most guys will just hang a giant can on the end of it.
I like the look on my P35 with an after market silencer...besides, its easy to put out, so it can be transported in a backpack...in reality a snowshoes backpack.What work did you do to the shroud? I hate the look of silencers on these pups.
Well, the plenum was assembled when I received it. There is a piece on the new plenum that looks JUST LIKE the stock plenum (circled in red). Where the spring sits, the new plenum had a smaller I.D. I simply thought that I was battling heavy spring tension and forced it to go together. Like I said, I am dumb lol.
View attachment 122619
I did email the guys in the UK. They want 20GBP for the poppet and 24GBP for shipping, and they do not have the spring in stock. I did think about trying to make a poppet from PEEK using my dremel and sandpaper. However, I have never done something like that, and seeing my track record here, think it could be a risk lol.
I need this full diagram. How could i get this?Well, the plenum was assembled when I received it. There is a piece on the new plenum that looks JUST LIKE the stock plenum (circled in red). Where the spring sits, the new plenum had a smaller I.D. I simply thought that I was battling heavy spring tension and forced it to go together. Like I said, I am dumb lol.
View attachment 122619
I did email the guys in the UK. They want 20GBP for the poppet and 24GBP for shipping, and they do not have the spring in stock. I did think about trying to make a poppet from PEEK using my dremel and sandpaper. However, I have never done something like that, and seeing my track record here, think it could be a risk lol.
did you ever sort your poppet valve out mate? I've got the same problem in a way I'm without a poppet lol but this may help as I'm not sure how old this is Ali express sell poppet's but there a bit big if you can sand them and cut them to the required size. here's a few pic's, all i need to know is the size of the poppet, I don't suppose you know that do you by any chance? all the bestGood morning everyone. I am a stupid gorilla and ruined my .25 poppet and poppet spring yesterday when trying to install the Xtreme XL plenum. I am hoping to find someone in the states that has spare parts or can make a new poppet valve for me. The only place I've found with available parts is in Greece and they want 50 euros to ship for $5 worth of parts. You can see in the pic how dumb I am. Please don't make me feel worse lol. I have searched all over for spares, and asked on FB and other groups with no success. Help me Obi Wan Kenobi; you're my only hope.
**I am cross posting this on GTA to get maximum help**
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Did you want to know if I sorted. y poppet valve out? if so the answer is yes!On souping these things up.
For the 25cal be aware that as you start getting into more serious porting on them for a 25cal you´ll sooner or later "break into water".
Ie; the transfer will end up running into the sealing "shelf" for the o-ring on the valve body.
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As i wanted the hole dia for what i had in mind there was no turning back. So what i did was turn a semi thin steel shim to support the o-ring and we were good to go.
Now.
The P-15/35 and the M-16 in essence share innards.
As you´ve already found out the main culprit getting these to breathe is plenum volume.
At the time i had a M-16 i fooled around with, and i ended up fabbing a stand alone plenum on approx 140cc´s. Massive? You bet, but then on the other hand it sure delivered.
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Being lazy i opted to use the reg pressure gauge hole for entry. Worked a million bux and in the end, even on that short a barrel, i was pushing an easy 125J and there was room to spare.
Idea was for a longer barrel, of course, but.. that kind of went nowhere for different reasons.
None the less.
The ticket to making these puffs stand tall is no doubt ample plenum volume. Them smaller bolt on ones simply don´t cut it if you really want to get things moving.
hey now I've woken up a bit. lol, i done mine with the dremel buddy it's so simple, (and believe me if I can make them anyone can)On souping these things up.
For the 25cal be aware that as you start getting into more serious porting on them for a 25cal you´ll sooner or later "break into water".
Ie; the transfer will end up running into the sealing "shelf" for the o-ring on the valve body.
![]()
As i wanted the hole dia for what i had in mind there was no turning back. So what i did was turn a semi thin steel shim to support the o-ring and we were good to go.
Now.
The P-15/35 and the M-16 in essence share innards.
As you´ve already found out the main culprit getting these to breathe is plenum volume.
At the time i had a M-16 i fooled around with, and i ended up fabbing a stand alone plenum on approx 140cc´s. Massive? You bet, but then on the other hand it sure delivered.
![]()
Being lazy i opted to use the reg pressure gauge hole for entry. Worked a million bux and in the end, even on that short a barrel, i was pushing an easy 125J and there was room to spare.
Idea was for a longer barrel, of course, but.. that kind of went nowhere for different reasons.
None the less.
The ticket to making these puffs stand tall is no doubt ample plenum volume. Them smaller bolt on ones simply don´t cut it if you really want to get things moving.