. This writeup is in no way completed, but I decided to post what has been done so far and call it part one, then wrap it up in a part 2 writeup which will most likely come tomorrow afternoon. The purpose of this mod is to turn a comfortable, smallish sidearm into an effective primary. But, I do not plan to use this as a primary, I created this solely for the purpose of using the R.S.C.B clip on a sidearm. In case this fails, I preformed the first prototype on the orange one, because the green one kicks ass. The gun stock:
Crack her open. Dont forget these two screw, one on the front and one under the priming handle.
The stock internals.
Now comes the unique part of this mod, or, the icing on the cake. The plunger tube. Head over to PETCO and grab yourself some 1 inch PETG. This stuff is used for vaccums in fishtanks, and comes with two tubes per pack. The larger tube (in diameter) is the one you want. The pack was $7.00, and I got two tubes and an ass load of vinyl tubing. Pretty good deal, I think. Here is the stock PT compared to the replaced, 1 inch PETG tube.
Now, what you want to do is grab a nitefinder plunger tube, and cut the PETG to the length of two nitefinder plunger tubes. You can do this with the stormfire PT as well, but it is easier with the nitefinder one because the barrel comes off without sawing, so you can get a preciser measurement. If you do use the stormfire plunger tube for marking the length of the PETG, make sure to mark it from the end of the gray piece, not the barrel or air restrictors.
In this picture, I have cut the plunger tube to the correct length, and then jammed a CPVC coupler into a PVC coupler, then electrical taped the exposed CPVC coupler until it was airtight in the 1 inch PETG.
Now, after making sure your new CPVC/PVC coupler contraption is snug in the end of the plunger tube, drill a hole straight through all of it, like this:
Apply some plumbers goop to the seal where the coupler and plunger tube meet, then run a bolt through the drilled hole, like so:
Yes, I do plan to cut off the excess bolt sticking out. Now, we must move onto the plunger rod/head/springs. First, we will focus on the plunger rod. What I have done is temporary, because my Mcmaster replacement plunger rod has not arrived, but it will suffice, and will undoubtably give great results. I resorted to splicing up two nitefinder plunger rods and combining them. This is how I did it:
Sorry, no spoon-feeding pictures for this part, but you will understand when you see the finished product.
1. Take one nitefinder plunger rod and cut off the back handle that you hold while priming.
2. Cut a notch where the handle used to be. Make the notch large enough to fit the nub that connects the head to the rod on the other plunger rod.
3. Test fit the nub into the notch, and when it is nice and snug, put it in a vice grip and drill a hole from top to bottom, therefore, drilling through both rods. Yes, confusing.
4. I then ran a small metal rod through the hold, and secured it with loctite epoxy. Here is a picture from top view.
The black dot is the small metal rod that I ran through the hole. Obviously, if that was too confusing for you, the mcmaster replacement rods will be 10 times easier.
Now, we need to fill one of the catch noteches with putty. You must fill in the one closest to the handle you hold while priming, so the catch skips over that and engages at the next notch on the other rod. A pic of my filled in catch notch:
The amount of putty that you see in this picture was not enough, and I did end up adding more later, but you hopefully get the point.Now, onto the springs. Ideally, we would use a cut down [k26], but those were included in my order with the rods, so they are not here either
. So, what I used in the meantime is a stretched NF spring combined with a strechted LSFG spring, and then an ace #49 spring. Clarifying pictures:
Now we continue on to the plunger head. The great news is that both nitefinder/stormfire plunger heads have a beautiful fit the 1 inch PETG. The bad news is that I was planning on replacing the plunger head, but those pieces are coming in the infamous Mcmaster order. aww. Well, it is not a problem, because the stock head fit is amazing.
The only thing left to do to the plunger head is e-tape, another o-ring, and some lube, but if you are attempting this mod, you will agree that it hardly needs any of that due to the stock fit. I decided to lube it anyways. I found this amusing:
Now, we must work on the shell. First off, cut it down like so:
i decided to leave the dart holders because it was not neccessary to remove them and it might be useful for a 2k integration sometime in the future. And now, to wrap up part one, dremel the living shit out of the inside of the shell, where the plunger tube goes. Do this until it fits. It did not take me a super long time, just be careful not to dremel through the shell.
Alright, that about does it for part 1 of this writeup. Forgive my spelling, for this entire thing was posted from my phone. Yes, that was painful. Expect part 2 sometime tomorrow, and expect and update when the infamous mcmaster order arrives. Also, excuse the shitty pics, my camera broke and these were taken by and old backup camera.
Edited by HOTH, 28 December 2009 - 10:26 AM.
