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5 posters

    Recon Mod: PVC Breech / ARR Mod

    littlebro05
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    recon pvc - Recon Mod: PVC Breech / ARR Mod Empty Recon Mod: PVC Breech / ARR Mod

    Post  littlebro05 Mon Apr 05, 2010 3:24 pm

    So anyway I was trying the SGNERF way of removing the AR and that was to "saw in a certain spot" where the plunger tube and barrel come apart. Unfortunately, I failed massively and instead I cut a little to high so the results were me cutting of the actual barrel and i was like SH*T. But instead of having a rant about this, I decided to build the barrel almost completely with 16mm CONDUIT GREY UPVC (which fits streamlines perfectly). I don't have an How-To on it but it's fairly simple of what I did. The barrel is air tight to the point that you can push the dart out by just pushing the plunger back in, but it's not a tight fit either. Also since I screwed up the AR removal. I pretty much have completely new tubing for the barrel so I didn't have to remove the restrictor... just everything else :(. But it turned out for my benefit. Here are some pictures of what I did.

    recon pvc - Recon Mod: PVC Breech / ARR Mod IMGP2003

    recon pvc - Recon Mod: PVC Breech / ARR Mod IMGP2002

    recon pvc - Recon Mod: PVC Breech / ARR Mod IMGP2001

    Pretty much all the air is going to be directed into the dart now with no blowby (which means no air escaping around the barrel). I haven't actually tested the ranges or know if the it breeches the dart properly because I'm still waiting for my epoxy to fully cure... and after a few uses... the plunger cracking..

    Maybe an update later on tomorrow because I'll be testing the ranges on it and seeing if it jams or not... will keep you guys posted.

    Update#1: So it shoots! Hooray, But I need to narrow down the breech because the clip won't fit because the "half cut" I did on the barrel didn't accomodate the clip being inside... updated more later.


    Last edited by littlebro05 on Thu Jul 14, 2011 4:37 am; edited 1 time in total
    melbourneSTORM4eva
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    recon pvc - Recon Mod: PVC Breech / ARR Mod Empty Re: Recon Mod: PVC Breech / ARR Mod

    Post  melbourneSTORM4eva Tue Apr 06, 2010 12:14 am

    Nice work mate. Is there an increase in the range?
    littlebro05
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    Post  littlebro05 Tue Apr 06, 2010 12:26 am

    There definitely is... I've only tested it indoors and from what I've seen it has launched up to about 12metres flatly angled? (I dunno you know how you aim it flat it's like what 1degree elevated? because it's like an instinct) and still flying. Although from experimental shots I've seen that streamline darts are really inconsistent because they're not weight. I've only tested it using one barrel reloading because I realised that I need to narrow the breech by about 2.5cm because the clip won't go because the breech is too fat :(.

    Will keep it updated... I have to go to uni to study so I'll probably finish it off when I get back home...

    Breech was made a hacksaw and sand paper :(...
    melbourneSTORM4eva
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    Post  melbourneSTORM4eva Tue Apr 06, 2010 12:41 am

    Not bad...

    Have you thought about Aluminum?
    It is much thinner , so it might be what you're looking for. Also the texture isn't as rough as PVC, so the dart will fly out of the barrel a little nicer, but... it's your mod. Good luck with it mate.


    Nick
    littlebro05
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    recon pvc - Recon Mod: PVC Breech / ARR Mod Empty Re: Recon Mod: PVC Breech / ARR Mod

    Post  littlebro05 Tue Apr 06, 2010 12:48 am

    Aluminum? and The PVC pipe is actually quite well... smooth, but I had a little run in with Mr Epoxy and got some in the breech, I rubbed out as much as I can, but it seems that it shouldn't effect because it's smooth again. I'm also trying to be cost effective because aluminum is kind of expensive... BTW, what type of aluminum tube? Because from what I've read and tested streamline darts are too loose.

    Yeah the thinning bit was a of a worry for me, I try to sand it down enough that it wouldn't make the PVC weak, but it should work fine. I need to test the breeching to see if it works...

    The only aluminum tubing I use in this gun is to link the Plunger Tube to the Barrel because I didn't want to use tape outside it, so I used tape on the alu tubing to make it fit nicely and hot glued it together... works fine... let's just hope my breech works >< Sorry I repeat myself a lot.
    nerffirefight24
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    Post  nerffirefight24 Tue Apr 06, 2010 1:00 am

    Man that looks nice.
    And it increased the range to. Good job mate keep it up.

    Adam.
    littlebro05
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    recon pvc - Recon Mod: PVC Breech / ARR Mod Empty Re: Recon Mod: PVC Breech / ARR Mod

    Post  littlebro05 Tue Apr 06, 2010 1:25 am

    Here's just a little update on the breech, I've just tested it out and yes it does feed darts properly! That's a plus! and the ranges are still the same (still inconsistent because I think I might need to make my streamlines a little heavier). Here's a few updates on the pictures.

    recon pvc - Recon Mod: PVC Breech / ARR Mod ReconRedone003
    recon pvc - Recon Mod: PVC Breech / ARR Mod ReconRedone002
    recon pvc - Recon Mod: PVC Breech / ARR Mod ReconRedone001

    The only problem I have no faced is that when I tested the 6 shots in a standard clip magazine. The last shot jammed and for some reason I can't shoot it OR cock the gun back either, so I have to open up the gun again just to see what is wrong

    EDIT1: Update#2:

    So I unjammed it I think it's because the trigger catch got caught on something. So you know how once you cock the recon, you can't cock it again till you shoot? well I shot it, nothing came out and pressed on the back of the plunger and it worked again... More testing needs to be done.

    EDIT2:

    I'm kind of glad that I screwed up on cutting the AR out of the gun because now I got a more beefier weapon :D.

    EDIT3:
    I've unjammed it and shot 6 shots without jamming so the system seems fairly reliable. I need to try shooting it with the barrel attachment on now. And just tried with the recon barrel adjustment and it seems to shoot like maybe about 50% or so weaker than without the barrel attachment. I think I know why too because the dart is slightly touching the bottom of the barrel which causes it to lose a little friction... I might need to work on that bit to perfect the recon Barrel attachment.
    WV17
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    Post  WV17 Tue Apr 06, 2010 2:18 am

    I did this mod a few weeks ago but with PETG and am having trouble keeping the darts from sucking all the way back and out of the barrel into the plunger chamber, is this happening with you? also try pasting epoxy on the back of the plunger with maybe steel washer this should prolong its lifespan.

    PS. thumbs up for accommodating the clip mine is now hand fed.
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    Post  Guest Tue Apr 06, 2010 3:13 am

    I did a brass breach on my raider as and it added a fair amount of power to it. I Don't have any experience with recons but my guess would be to use brass instead of PVC.

    ~Dylan
    Frankie27
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    Post  Frankie27 Tue Apr 06, 2010 3:21 am

    Nice work on the breech, looks great.

    When I cracked my LS barrel with a screwdriver trying to get the AR out, I nearly died (It broke so bad)
    But 17/32nd brass came to the rescue. I lightly dremeled out the inside of the barrel, covered the brass in superglue and hammered it through (from the point the dart enters the barrel all the way to the end of the plunger. Now I have a 17/32nd barrel that also fixes the crack problem.
    littlebro05
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    Post  littlebro05 Tue Apr 06, 2010 3:30 am

    WV17 wrote:I did this mod a few weeks ago but with PETG and am having trouble keeping the darts from sucking all the way back and out of the barrel into the plunger chamber, is this happening with you? also try pasting epoxy on the back of the plunger with maybe steel washer this should prolong its lifespan.

    PS. thumbs up for accommodating the clip mine is now hand fed.

    Haha. No it's not happening with me, but I think I know why it's being sucked all the way into the barrel. I'll tell you why, because since now your gun is 'air tight' if you have the dart in there already BEFORE you cock the gun... the plunger will suck the dart in... Your best bet is to cock the gun first before you load that way your gun dart won't get sucked in. The problem I'm having at the moment is... I'll explain below. Oh yeah I did put epoxy putty in side the plunger, but I've found that some of the impact is absorbed if that dart is already in the barrel because it builds up pressure then pops the dart out. By the way you're talking about your singled recon right?

    Warriewoodbros wrote:I did a brass breach on my raider as and it added a fair amount of power to it. I Don't have any experience with recons but my guess would be to use brass instead of PVC.

    ~Dylan

    Yeah I WOULD use brass but I don't have a dremel and cutting brass with a hacksaw is no walk in the park. Hence I used PVC DWV 16mm. However! I've faced a new problem... as you know the brass you would of used would have been considerably thinner than the PVC I used, but still has a lot of strength in it. By the way, it doesn't really matter because the Raider and Recon pretty much uses the exact system... except the bolt sled is towards the side, not the bottom.

    I have a problem which brass breeches shouldn't have is that the barrel is a little to thick so when the gun is cocked and the barrel is loaded... the dart is SLIGHTLY touching the bottom of the muzzle of the gun which causes a little friction. It seems to shoot fine without the barrel extension, but with the barrel extension, the dart ends up rubbing on the bottom of the barrel which causes it to lose a large amount of energy...

    I'm going to have to sand down part of the bolt sled so it fits better in the muzzle. I'll try to tonight to fix the problem because frankly I like the barrel extension.

    Frankie27 wrote:Nice work on the breech, looks great.

    When I cracked my LS barrel with a screwdriver trying to get the AR out, I nearly died (It broke so bad)
    But 17/32nd brass came to the rescue. I lightly dremeled out the inside of the barrel, covered the brass in superglue and hammered it through (from the point the dart enters the barrel all the way to the end of the plunger. Now I have a 17/32nd barrel that also fixes the crack problem.

    Yeah it's always good to improvise parts! I believe that most people would just give up and just throw the gun away from scrap parts. But you feel this great sense of achievement man you fix the gun! I'm still working on making it shoot better because of that tiny bit of a friction problem I have.

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