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The Ultimate Doubleshot

56Kers, you'd best beware. Mad picture heavy.

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#1 Ice Nine

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Posted 07 June 2009 - 08:12 PM

Start with a Doubleshot.

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Throw that shit in the garbage.

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Now, start with THESE:

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Ignore the modifications on the Nite Finder; you really only need a donor gun for its handle and trigger, and it was this Nite Finder's time to go.

Let's start straight into this shit, because it takes a LONG time. Keep in mind, if you're doing this modification to the finish you will have to do everything here TWICE, to both PASs.

Take a hacksaw the orange piece, like so:

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You'll be left with this:

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Pry off the o-ring, it fails to serve any purpose any more.

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To properly RSCB your gun, here's what to do.

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Now, take your dremel:

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And sand the fuck out of the inside of the orange pieces.

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Edited by Ice Nine, 07 June 2009 - 11:07 PM.

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Unholy Three: DUPLUM SCRTA, DUPLUM PROBLEMA (2009)

But Zeke guns tend to be like proofs by contradiction

Theoretically solid but actually non-constructive

Rnbw Cln


#2 Ice Nine

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Posted 07 June 2009 - 08:13 PM

It should end up perfectly fitting your PVC bend.

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Now, take some painters tape to a small section of CPVC.

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It should sit out a little back from the end of the brown piece where it sits in the plunger.

Fill dead space with shitty foam.

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And goop over it.

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Now, take two more small sections and cut little triangles out of their center so they can bend more easily.

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And let it sit on the goop. This will help cushion the plunger head as well as take a bit more dead space in the plunger tube.

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While all this is going on, you may add springs to your plunger rod. I merely wrote this part into the writeup to explain how to get low diameter springs, such as the +bow, onto the PAS plunger rod without cutting anything. Both guns in the final product remained using the STOCK spring.

Take your +bow spring.

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Cut it in half.

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Remove the stock spring. You may leave the brown piece on the back.

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Start winding the spring on. The first coil or two are difficult on stronger springs but it gets very easy afterwards.

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Edited by Ice Nine, 07 June 2009 - 08:23 PM.

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Unholy Three: DUPLUM SCRTA, DUPLUM PROBLEMA (2009)

But Zeke guns tend to be like proofs by contradiction

Theoretically solid but actually non-constructive

Rnbw Cln


#3 Ice Nine

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Posted 07 June 2009 - 08:15 PM

It's quite solid with just the +bow spring in place.

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You can re-add the stock spring if you're so inclined.

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After waiting for the goop to cure on the CPVC on the brown piece, you may now return to it. Wrap the brown piece in a few layers of painters tape, but not enough so that the PVC elbow can not slide over it.

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Add your goop.

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Slide the orange piece in place.

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Firmly push the elbow as far in as it will go.

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This is your final product for your RSCB setup on the front of the gun. If you did it right, it should be one hundred percent airtight.

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Now, let's remove some internal dead space on the RSCB to improve efficiency. If you just end up using the stock spring your gun will appreciate it.

Take a small piece of PVC and a slightly longer piece of CPVC.

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I had to sand out the inside of the PVC to get the CPVC to fit, but it should end up looking like this:

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As always, goop it up. DO NOT goop it into the elbow, the elbow is merely holding it in this picture.

Posted Image

Edited by Ice Nine, 07 June 2009 - 08:23 PM.

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Unholy Three: DUPLUM SCRTA, DUPLUM PROBLEMA (2009)

But Zeke guns tend to be like proofs by contradiction

Theoretically solid but actually non-constructive

Rnbw Cln


#4 Ice Nine

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Posted 07 June 2009 - 08:16 PM

Notice how much more effectively this brings air to the darts.

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Now, onto the internal reinforcements!

Here are your best friends in the world: JB Weld, and brass strips. Not pictured is sandpaper, WHICH IS NECESSARY FOR EPXOYING. Sand down your surfaces; it'll adhere better.

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Epoxy here:

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And here:

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And here:

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And here:

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And here:

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And here:

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Now your internals are ready to take on anything. I can't stress this enough, though: Let your epoxy cure for the full twenty-four hours. It'll only save you time in the long run.

Let's move into making these guns more like the Doubleshot, shall we?

Start here:

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Sand that sumbitch down.

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Edited by Ice Nine, 07 June 2009 - 08:23 PM.

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Unholy Three: DUPLUM SCRTA, DUPLUM PROBLEMA (2009)

But Zeke guns tend to be like proofs by contradiction

Theoretically solid but actually non-constructive

Rnbw Cln


#5 Ice Nine

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Posted 07 June 2009 - 08:18 PM

Take a piece of polycarbonate (or other suitable space-filling material) and cut it to the proper size. Kids, I did this with sandpaper and a hacksaw. You can do it without any fancy tools.

Goop it in place and let that cure.

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However, this will cause problems with your trigger. Cut it like this.

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That part served no purpose.

Now, you might be thinking, "Okay Ezekiel, I've just spent hours upon hours jumping through hoops. And now I'm left with two of these guys:

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What the fuck more do you want me to do?"

God damn, kid. Stop being such a bitch. Take apart the priming handles from both guns, take a trip down to your local hardware store, and pick up three 10/32 threaded screws and hex nuts.

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Drill holes in the one with screw ports so you may fit the threaded rods through:

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Repeat this process on the other handle, so it looks like this:

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You don't really need to tighten these pieces very much. A very simple and effective space is a piece of CPVC shoved between the handles; if you did the earlier parts of this mod you should certainly have some more lying around.

These rods now pose a problem. Look at this piece.

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Cut if off both guns.

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Now, take your hacksaw or whatever to your stock and handle.

Posted Image

Edited by Ice Nine, 07 June 2009 - 08:22 PM.

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Unholy Three: DUPLUM SCRTA, DUPLUM PROBLEMA (2009)

But Zeke guns tend to be like proofs by contradiction

Theoretically solid but actually non-constructive

Rnbw Cln


#6 Ice Nine

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Posted 07 June 2009 - 08:19 PM

Notice that your beautiful little piece of polycarb blocks off that hole beautifully.

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Do it to both of them.

Now take your gutted Nite Finder from way way way earlier.

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Cut it on down. You'll need to do more than what I did in this picture but it's not much more.

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Now goop a wood support between the backs of the guns. After taking this picture I took a hacksaw and cut the piece in half, so the guns are still separable and therefore will remain accessible to repairs.

Now, make a crossbar out of wood and attach it to the Nite Finder trigger. You can either skew the piece in one direction so it makes contact with one trigger first or you may dremel away at it so that it merely catches one of the triggers first.

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And epoxy that son of a bitch in place.

And now you're done.

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I used four inch PETG barrels and seven shot clips on each gun. Both of them top out at eighty and bottom out at sixty-five when the clip is empty. This gun now functions like a vastly improved Doubleshot, and looks pretty fucking sweet while doing it. Enjoy.

Shit guys, when did the picture limit get bumped up to fifteen? And why did no one tell me? God damn it, this shit took up six posts.

Edited by Ice Nine, 07 June 2009 - 08:22 PM.

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Unholy Three: DUPLUM SCRTA, DUPLUM PROBLEMA (2009)

But Zeke guns tend to be like proofs by contradiction

Theoretically solid but actually non-constructive

Rnbw Cln


#7 aishihigeo

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Posted 07 June 2009 - 08:22 PM

Fucking beautiful.
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#8 Draconis

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Posted 07 June 2009 - 08:23 PM

Very impressive beast, Ice9. How many friends does it take to help you prime it? :)
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[15:51] <+Noodle> titties
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#9 Wes7143

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Posted 07 June 2009 - 08:24 PM

That's fuckin' amazing. Great job!
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If at first you don't succeed, add more epoxy.

#10 1337

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Posted 07 June 2009 - 08:24 PM

My question: Why so short barrels?
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#11 diamondbacknf1626

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Posted 07 June 2009 - 08:24 PM

Good work, and great writeup. I like it. Not my taste, but it's very well done. I'd be careful about that connection point though of the NF handle to the PASes. In general though, it looks great.

Same question as Draconis. How is it to prime?
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QUOTE(TxNerfer @ Nov 13 2010, 12:42 PM) View Post

Hey...I got a crazy idea: how about you stop all that sigging stuff? It's not even my thread and it annoys me.

#12 Ice Nine

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Posted 07 June 2009 - 08:25 PM

My question: Why so short barrels?


Because the stock spring doesn't supply enough power to make a long barrel on a long-clip RSCB effective? I dunno what K9 did and I can't personally verify his ranges but this is how I get the best results.

Very impressive beast, Ice9. How many friends does it take to help you prime it? :)



Good work, and great writeup. I like it. Not my taste, but it's very well done. I'd be careful about that connection point though of the NF handle to the PASes. In general though, it looks great.

Same question as Draconis. How is it to prime?



I went back to just the stock springs in each gun, because I got really fucking sick of working on trigger spring solutions. It's primeable with one hand but not really easily. Keep in mind I'm five seven and one twenty five pounds, so, you know, feel free to bulk up your guns.

Edited by Ice Nine, 07 June 2009 - 08:28 PM.

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Unholy Three: DUPLUM SCRTA, DUPLUM PROBLEMA (2009)

But Zeke guns tend to be like proofs by contradiction

Theoretically solid but actually non-constructive

Rnbw Cln


#13 TantumBull

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Posted 07 June 2009 - 08:26 PM

That's really, really awesome. One question: How the fuck can you prime it? You've said before that you've had trouble priming a doomsayer with a plusbow spring so how can you handle this? I'm not trying to say that you're weak or any of that bullshit, because I know I wouldn't be able to prime it.

Edited by TantumBull, 07 June 2009 - 08:28 PM.

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#14 Zorns Lemma

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Posted 07 June 2009 - 08:28 PM

If you're upgrading springs, remember to hit the gym too. 60lbs of draw force is what happens why you put the +bow springs in.

They're also why ranges are given with the stock springs back in place.
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#15 Chris is cool

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Posted 07 June 2009 - 08:33 PM

Holy crap, your 5'7" and weigh 125!!! I'm 5'5" and weigh 130.

Well, that thing is quite a beauty there, and did you actually throw away your DS?

#16 Salmon

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Posted 07 June 2009 - 08:41 PM

That's just... incredible. I heard something about this on the Foamtalk podcast, but I had no idea it would be this awesome. Also, this is probably the most complex modification I have seen posted on this forum in several weeks, so props for that too, I guess. However, I must ask, when you prime it, do you grab both pumps, or only one? It seems the latter would be the most comfortable, but I would thing that would put unnecessary stress on the other handle.
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#17 stuck by stefan

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Posted 07 June 2009 - 08:43 PM

Wait, so both pas's are bolted next to each other, and the trigger works so you pull it 1/2 way, it fires one, and then all the way it fires the 2nd? If so I love it.
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#18 Ice Nine

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Posted 07 June 2009 - 08:43 PM

That's just... incredible. I heard something about this on the Foamtalk podcast, but I had no idea it would be this awesome. Also, this is probably the most complex modification I have seen posted on this forum in several weeks, so props for that too, I guess. However, I must ask, when you prime it, do you grab both pumps, or only one? It seems the latter would be the most comfortable, but I would thing that would put unnecessary stress on the other handle.


The handle is barely wider than that of an RFDG. It's pretty easy to grip and prime them both at the same time.

Wait, so both pas's are bolted next to each other, and the trigger works so you pull it 1/2 way, it fires one, and then all the way it fires the 2nd? If so I love it.


The priming handles are bolted together and the trigger works in the same fashion as the Splitfire or Doubleshot.

Edited by Ice Nine, 07 June 2009 - 08:44 PM.

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Unholy Three: DUPLUM SCRTA, DUPLUM PROBLEMA (2009)

But Zeke guns tend to be like proofs by contradiction

Theoretically solid but actually non-constructive

Rnbw Cln


#19 Split

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Posted 07 June 2009 - 08:46 PM

While all this is going on, you may add springs to your plunger rod. I merely wrote this part into the writeup to explain how to get low diameter springs, such as the +bow, onto the PAS plunger rod without cutting anything. Both guns in the final product remained using the STOCK spring.

I went back to just the stock springs in each gun, because I got really fucking sick of working on trigger spring solutions. It's primeable with one hand but not really easily. Keep in mind I'm five seven and one twenty five pounds, so, you know, feel free to bulk up your guns.

That's really, really awesome. One question: How the fuck can you prime it? You've said before that you've had trouble priming a doomsayer with a plusbow spring so how can you handle this? I'm not trying to say that you're weak or any of that bullshit, because I know I wouldn't be able to prime it.

Seriously? A pit of fire? Find one. Jump in.

That's just... incredible. I heard something about this on the Foamtalk podcast, but I had no idea it would be this awesome. Also, this is probably the most complex modification I have seen posted on this forum in several weeks, so props for that too, I guess. However, I must ask, when you prime it, do you grab both pumps, or only one? It seems the latter would be the most comfortable, but I would thing that would put unnecessary stress on the other handle.

Look up the words "latter" and "former".

Edit: Oh, Ice9. I like it. But you knew that.

Second edit: Seriously. Both of you. A joke. Learn to take it.

Edited by Split, 07 June 2009 - 09:56 PM.

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Teehee.

#20 TantumBull

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Posted 07 June 2009 - 09:12 PM

While all this is going on, you may add springs to your plunger rod. I merely wrote this part into the writeup to explain how to get low diameter springs, such as the +bow, onto the PAS plunger rod without cutting anything. Both guns in the final product remained using the STOCK spring.

I went back to just the stock springs in each gun, because I got really fucking sick of working on trigger spring solutions. It's primeable with one hand but not really easily. Keep in mind I'm five seven and one twenty five pounds, so, you know, feel free to bulk up your guns.

That's really, really awesome. One question: How the fuck can you prime it? You've said before that you've had trouble priming a doomsayer with a plusbow spring so how can you handle this? I'm not trying to say that you're weak or any of that bullshit, because I know I wouldn't be able to prime it.

Seriously? A pit of fire? Find one. Jump in.


Edit: Split. I was kind of in a bad mood when I replied, so sorry if I came off as an asshole. My point still stands so I'm not going to clear the post entirely.

And Ice9, my apologies for my question that was answered as I was typing a reply to the thread. Also, I'd be a bit worried about that handle falling off, but I'll PM you if I have any questions about it so no d-bags tell me jump in a pit of fire.

Edited by TantumBull, 07 June 2009 - 10:34 PM.

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#21 diamondbacknf1626

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Posted 07 June 2009 - 09:19 PM

Post removed. Don't want to get called out for fueling the fire here or sounding like an ass (Kinda realized I did when I re-read my post). But I think we all get now that that portion of the writeup was missed, so it doesn't need to be thrown in people's faces anymore. I think it was very smart to use only stock springs. It's not the kinda gun you need too much range out of.

Edited by diamondbacknf1626, 07 June 2009 - 09:24 PM.

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QUOTE(TxNerfer @ Nov 13 2010, 12:42 PM) View Post

Hey...I got a crazy idea: how about you stop all that sigging stuff? It's not even my thread and it annoys me.

#22 Salmon

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Posted 07 June 2009 - 09:40 PM

That's just... incredible. I heard something about this on the Foamtalk podcast, but I had no idea it would be this awesome. Also, this is probably the most complex modification I have seen posted on this forum in several weeks, so props for that too, I guess. However, I must ask, when you prime it, do you grab both pumps, or only one? It seems the latter would be the most comfortable, but I would thing that would put unnecessary stress on the other handle.

Look up the words "latter" and "former".

lat⋅ter
  /ˈlætər/ Show Spelled Pronunciation [lat-er] Show IPA
–adjective
1. being the second mentioned of two (distinguished from former ): I prefer the latter offer to the former one.


Uh, pardon me? I believe I used that word just fine. I intended to say that gripping it by only one of the handles seemed like the most comfortable choice of the two, grabbing both of them being the former.
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#23 nerkum

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Posted 07 June 2009 - 09:56 PM

Great idea, I am really starting to like RSCP barrels. This is what the double shot should have been. Keep it up!
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#24 Daniel Beaver

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Posted 08 June 2009 - 12:07 AM

I approve. But you knew that already. A dual-firing primary with 14 shots going 70' seems like it would be useful.

As I had mentioned in chat, I think an extra NF handle on the priming grips would do a lot for ergonomics.
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#25 Possemhunter

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Posted 08 June 2009 - 01:43 PM

Awww Man... I thought you really had a good double shot mod! Aren't I gullible?
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