PGC (Pro-Win) AK HopUp chamber?

[Whiskey]

Anyone have experience using one of these? NOT i heard from this guy on another forum that they have a bad air seal with the hop up rubber (which is bull by the way!) etc etc. I mean people that actualy field a gun with one installed. I had just ordered one and currently waiting for it to come in and i would like to know how it performs. I have however read an article in AI magazine with one of there project guns that has one and it seems great.
My current set up is a 400+ fps tuned mech-box, laylax 6.03 tightbore, systema hopup rubber with a mad bull bucking (however I am toying around with the H-nub type buckings (The big out/echo1) and a few others as well.)

[Conflicts6]

I use one in my gun. I picked mine up used for 15 bucks. The adjustment is realllly touchy. I currently use mine with a gaurder hard rubber and bucking. I am going to need to replace them tho. They are very nice unites, they are cnc machined. I think i am getting a good seal, im not sure tho. In your case, this unit will be great, The hnub in this unite is awesome. (a buddy of mine uses the hnub). I think when you install it, you will be very pleased with your performance? BTW, what is the brand of the gearbox shell,?

[Amos]

I don't like 'em. Fitment is really really picky in anything but a Tokyo Marui mechbox shell.

I prefer the King Arms one.

[DarkAngel]

I found mine was a pain in the ass to install. Had issues installing it into a G&P Metal kit (didnt align right apparently?) And the edges are very sharp. Cut up 3 Hop up rubbers just trying to install the damn thing.

I like that its C&C and all, but its giving me issues with the install. Maybe I just got a lemon?

[Whiskey]

Originally Posted by Conflicts6

I use one in my gun. I picked mine up used for 15 bucks. The adjustment is realllly touchy. I currently use mine with a gaurder hard rubber and bucking. I am going to need to replace them tho. They are very nice unites, they are cnc machined. I think i am getting a good seal, im not sure tho. In your case, this unit will be great, The hnub in this unite is awesome. (a buddy of mine uses the hnub). I think when you install it, you will be very pleased with your performance? BTW, what is the brand of the gearbox shell,?

Thanks for the heads up man . Even with a decent nylon chamber, mad bull hard rubber, the white H-nub and a stock 6.08 barrel the thing was insanly accurate so im sure i will be impressed with it *fingers crossed*.
As for the gear box shell, it is just a new gen JG v3, nothing special ... well the shell that is

[Amos]

If you thought that was good, try this;

KA hop-up chamber
Prometheus 6.03 Barrel
Guarder Clear hop-up rubber
Shredder's concave spacer

[Conflicts6]

Originally Posted by BLACKWATER204

Thanks for the heads up man . Even with a decent nylon chamber, mad bull hard rubber, the white H-nub and a stock 6.08 barrel the thing was insanly accurate so im sure i will be impressed with it *fingers crossed*.
As for the gear box shell, it is just a new gen JG v3, nothing special ... well the shell that is

Thats awesome. Yeah, you should be getting a good seal. I have a cyma gearbox, and my buddy has a cyma gearbox (V3) His doesnt seal well, but mine does. These unites are specifically made for TM. As Amos said, its a finicky unit. You just gotta pray . Right now, the accuracy with mine is not that good. Its not because of the units adjustment, its just my shit barrel, and shit rubber. They will be replaced very soon. Glad to hear that it is working well for you

[Whiskey]

Originally Posted by Amos

If you thought that was good, try this;

KA hop-up chamber
Prometheus 6.03 Barrel
Guarder Clear hop-up rubber
Shredder's concave spacer

That sounds like a very consistant set up man. Whats the fps on the set up? What are the groupings like at 20 yards? (windless conditions).

[Whiskey]

Originally Posted by Conflicts6

Thats awesome. Yeah, you should be getting a good seal. I have a cyma gearbox, and my buddy has a cyma gearbox (V3) His doesnt seal well, but mine does. These unites are specifically made for TM. As Amos said, its a finicky unit. You just gotta pray . Right now, the accuracy with mine is not that good. Its not because of the units adjustment, its just my shit barrel, and shit rubber. They will be replaced very soon. Glad to hear that it is working well for you

Well if its a bad seal wouldnt it be time to try different hop up rubbers and see what seals better?, just a thought.

[Amos]

Originally Posted by BLACKWATER204

That sounds like a very consistant set up man. Whats the fps on the set up? What are the groupings like at 20 yards? (windless conditions).

Depends on what gun it's being shot out of...

I don't really have space to test 20 yards... I've got about 40 feet.. and at that distance the grouping problems were more shooter related than gun related

[Conflicts6]

Originally Posted by BLACKWATER204

Well if its a bad seal wouldnt it be time to try different hop up rubbers and see what seals better?, just a thought.

Yee....im going to order some things soon. Im going to get a scs, systema energy rubber, and madbull 6.03 tightbore barrel

[Whiskey]

Originally Posted by Amos

Depends on what gun it's being shot out of...

I don't really have space to test 20 yards... I've got about 40 feet.. and at that distance the grouping problems were more shooter related than gun related

lol, yeah a good hopup set up can only take ya so far, if it dont work out as good as im hoping then i will have to use the spray and pray tactic

[Whiskey]

Update. Just installed the prowin and i must say im very happy with it. As far as installation goes it was not to bad, a bit of filing and shoe horning and she fit right in. The current set up is as follows: prowin chamber, systema black hop rubber, white H-nub bucking and laylax 6.03mm x 407mm ss tightbore all mated to a 360fps gear box. One thing i noted on was the additional "range" it seemed to have when test firing the new set up (chalk it up to a more stable backspin applied to th BB). So all in all im very happy, plus having the gear box now mated to the hop up unit is a big plus IMO over the formentioned king arms unit.