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Magstrike Modification Guide - Picture Heavy

Bladder and Clip Mods

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#1 hereticorp

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Posted 19 August 2008 - 08:36 AM

Welcome to my MagStrike Modification guide, in this writeup you will find the details of how to disassemble a MagStrike, how to remove the trigger lock, how to reinforce the bladder so that you can get two clips out of one pumping, and how to modify the clips to use PETG or CPVC. I've not included the instructions for reassembly, mainly because it's so simple, but also because I haven't put it back together yet, I'm working on a paint job.

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Here's your basic MagStrike Dart Tag edition. The Iron Man 425 is exactly the same inside, just different color plastic.

Step 1: Remove all screws, including the 2 in the orange pump handle, make sure you don't miss any of the ones in the black bladder enclosure portion of the gun.

Should be a total of 21 screws, but if you get less or more, don't worry as long as the gun comes apart. The rear of the bladder enclosure has 2 pegs in it, be careful when pulling apart so you don't snap them off.

One note, if you're not planning on painting the thing, you don't actually have to remove the pumping handle, so a step saved if you're not planning on painting.

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Step 2: This bit is annoying. You have to take a small screwdriver or other flat object and pry off the bit covering the pumping lever so that the two sides of the shell can come apart.

Technically you can pull the shell apart from the rear and this piece should pop off, but I prefer the screwdriver method. Any nicks you make can be sanded down later before the painting and/or reassembly.

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Here's your opened Magstrike, all the bits that come off in the disassembly stage are off.

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Here's the bladder assembly close up, the four screws towards the front hold the front of the bladder closed on the cap that connects it to the rest of the gun, the round cylinder is there so that the bladder doesn't contact anything sharp while inflating.

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This is the over-pressure release valve. We want to get rid of this so that we can pump this thing up to 2-clip levels.

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This is the firing action, the mechanism is why there's no point in trying to increase the overall air pressure coming out of the bladder, just the capacity for air volume. Making the air pressure higher will just make the gun fire faster, not any further.

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This stupid thing is the trigger lock. We're getting rid of it.

Step 3: Remove the two screws holding the upper green piece in place and remove all the bits attached to it.

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And now you have an unlocked gun, just means you an pull the trigger without a clip in place, feel free to skip the previous step if you feel you need a trigger lock, it's not going to affect anything in the long run.

The bit you see above with the small green tab is the clip advancer, it's the bit that actually shoves the clip upwards during firing.

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There's the trigger lock mechanism, if you're interested.

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Step 4: Remove 8 screws from the bladder clamp and bladder protection mechanisms.

Make sure you keep an eye on which screws came from where, they're different types.

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Step 5: Remove the bladder from the front plug.

Here's your fully disassembled Magstrike, ready for bladder modification. If you're painting you can pull out the rest of the guts now, including the trigger+spring, if not just leave everything in place, there's nothing you can do to the rest of the system to make it work any better.

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Step 6: Unscrew 4 screws from the rear plug clamp assembly and set aside.

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Step 7: Pull the cap off the overpressure release valve.

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Step 8: Remove the valve mechanism, discard valve cap and valve mechanism, they will not be needed.

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Step 9: Remove the rear plug from the bladder and insure that it is free of debris.

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Step 10: We'll be filling the end plug with hot glue, so place some sort of tape over the end hole so that your plug doesn't stick to the table.

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Step 11: Turn the plug over and fill with hot glue.

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It should end up looking something like this, allow to cool completely before re-inserting into the bladder.

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Here's the end of the plug after being filled with hot glue, the next step is optional, which is why I didn't put it before the hot-glue portion of the process.

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Step 12 (Optional): To give the bladder more horizontal movement space, take a hacksaw or other cutting tool and chop off the nub on the end of the plug.

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Step 13: After the hot glue has completely cooled, take some liquid nails or other silicon based glue and place a generous amount around the ridges of the rear plug.

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Step 14: Place the plug back into the rear of the bladder and make sure it slides completely in to place. Use your finger to wipe away any excess glue.

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Step 15 (Optional): Take the rear bladder clamp and cut it where pictured, I prefer this method as it allows for the maximum horizontal travel of the bladder, but it is up to you if you want to do it this way, make sure you leave space between the plug and the bladder for the rear piece to slot in if you choose to leave it on.

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Step 16: Take your liquid nails and apply a glob to the inside of both sides of the rear bladder clamp.

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Step 17: Screw the rear clamp back in place where it was previously on the bladder and place it in a clamp to dry. Allow to dry a minimum of 24 hours before removing the clamp.

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Here is your completed bladder modification. If you wish you can add some more liquid nails around the outside of the area between the clamp and the rear plug.

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Here's the two types of screws that came out of the bladder section, the lower screws came from the clamp and the upper screws came from the protection cylinder. You can tell the difference by the thread density. Make SURE that the correct screws go in the clamp or it will most likely rip itself out of the plastic.

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If you're painting, hold off on this step until you've completed your paint job, if not, go on.

Step 18: Re-Attach the clamp by inserting the screws diagonally, lower right, upper left, lower left, upper right. Tighten them about 1 turn at first, and then tighten them all the way once all 4 are in place.

At this point you're done, you can replace the top of the bladder protection cylinder and then screw the shell back together and you have a working, modified MagStrike.


MagStrike Clip Modification

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Here you have the stock clip on the right, and the clip with the cap removed on the left.

Step 1 : Remove 6 screws from the top of the clip and place the cap and belt-clip aside.

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Step 2: Drill or Dremel out the air restrictors, they are part of the barrel assembly, so you'll have to be careful not to damage anything else while you're doing this.

If you're not replacing the barrels, then you're done, the clip can now fire Stefans and will fire a bit further. Just replace the top bit and you're all set.

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A view from the front, there's not a whole lot of difference, but the airflow change makes it all worthwhile.

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If you're replacing the barrels with PVC or PETG then continue on.

Step 3: Remove the back plate from the clip.

This is an EXTREMELY fragile piece of plastic, so you must be very careful not to damage it in the process of removing it. I took a dremel with a plastic cut-off wheel and trimmed down the edge of the clip around the outside of the plate and then slid an X-Acto knife underneath to release the glue. Do not pry or yank at the plate, it will bend and your clip will be screwed.

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Here's your clip with the back plate removed.

The Iron Man 425 clip looks a little different, the secondary plate underneath the backplate doesn't exist there, the barrels are just attached to the sides of the clip and the plate is glued to the barrels.

Either way, the next thing to do is ditch those barrels.

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It's up to you how you do this, as you can see it can get a little bit messy.

Step 4: Remove the existing barrels in preparation for PETG or PVC.

If you're using PETG you can try to leave the secondary backplate in place for extra reinforcement, but that's up to you.

I took a dremel cutting bit and ran it around the outside edge of the clip between the barrels and walls, the barrels are attached to each other and each one is attached to the wall of the clip, it's slow going but it works.

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This was my first attempt at a clip mod with the Iron Man 425 clip, as you can see I got a little bit frustrated with it and took a hammer to it. The backplate is a little bit bent and I'm going to have to take a little heat to it so that it settles back in place nicely.

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Step 5: Place the back plate in a clamp and glue on the barrels

Here you see the backplate clamped in place an 3" PETG segments lined up ready to be glued.

I put a small glob of hot glue on the top of each, letting it flow around and cool, then moved the backplate up in the clamp and did the bottom row the same way.

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Here's the second row of barrels in place.

If you're overly generous with the hot-glue during this process you may need to do some trimming before you replace the barrel holder on

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Here's the back of the reassembled clip, you have to be absolutely sure that the back plate is is flush and flat so that the clip can move freely through the gun.

I just used a small amount of Zap-A-Gap around the edge of the plate to hold it in place, making sure to wipe any drips off so that the back plate remained flat.

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The front of the reassembled clip. You can put some more hot-glue down there if you want just to make sure of the barrel seals, but it's not required.

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Side view, you can see where my dremel cutting bit came through a little bit, there isn't a whole lot of wall plastic there and the bits holding the barrels to the walls are pretty thick.

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The third clip I did turned out much easier than the other two, this one just required that I put a small screwdriver in the gap between the plate and the clip at the top of the clip and pry gently. Much easier than the dremel option. Of course this also means that the barrels are going to be much more of a pain to take out.

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You can see that there's a LOT less glue on this one compared to the last one, which is why I could just slide the small screwdriver underneath it and gently pry the plate off.

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Here's the first clip I modded after I painted it gold to go with the Iron Man color scheme I cooked up for the 425.

The barrels are slightly uneven in length mainly because I use a hand hacksaw and that's not exactly the most accurate tool in the world.



I hope you enjoyed my MagStrike modification guide, I'm always happy to take suggestions and constructive criticism.

You can find my Flickr based guides and a bunch of pictures here: Nerf Pictures and Writeups
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#2 Kid Flash

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Posted 19 August 2008 - 10:04 AM

Did you miss the whole modification directory? There's a writeup on everything except the petg barrels(I think)... Go to the modification section and there is a stickied topic called modification directory. Click it.
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#3 hereticorp

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Posted 19 August 2008 - 10:35 AM

Did you miss the whole modification directory? There's a writeup on everything except the petg barrels(I think)... Go to the modification section and there is a stickied topic called modification directory. Click it.


I felt like writing my own, I'm sorry if this seems like a bad thing to you. If the mods tell me to take it down as a duplication of effort, great, if not, I enjoy writing guides and I need the practice.
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#4 xeorogue

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Posted 19 August 2008 - 10:45 AM

Don't forget the E-tape on the side of the clip to keep them from sliding down when firing single shots. (If you were making this an all inclusive, since you covered everything you can do to this gun short of combining clips and using an air tank)
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#5 Icespartan 1114

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Posted 19 August 2008 - 10:49 AM

Nice mod, But it has already been done
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#6 Vistagecko

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Posted 19 August 2008 - 11:26 AM

Even though this has already been done before, your pictures are very clean and you are clear in your instruction. Good job, but again this has been done before.
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QUOTE(The Kart Racing Nerf Man @ May 6 2009, 07:31 PM) View Post

I lubed it again and again, I don't see what an extra 2 centimeters does. I don't think I will cut it off.
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#7 MoonMaster

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Posted 19 August 2008 - 11:46 AM

I think that you should have plugged th hole in the winged piece.

Good writeup, nice, clear, instructions.
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#8 CaptainSlug

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Posted 19 August 2008 - 12:21 PM

I found the easiest way to plug the Over-Pressure valve was to take out the green valve stem and reinstall it backwards, then super-glue it and the piece on the right in this picture
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to the plug itself. Then if you still want to, fill the center of the plug with hot glue.

Nice mod, But it has already been done

Who gives a shit. This is cleanly written and has sharp and informative images.

Edited by CaptainSlug, 19 August 2008 - 12:25 PM.

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#9 imaseoulman

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Posted 19 August 2008 - 12:46 PM

Thanks for posting the write-up. It's always useful to have more clearly written write-ups to cross-reference. Nice work.
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#10 hereticorp

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Posted 19 August 2008 - 01:11 PM

I found the easiest way to plug the Over-Pressure valve was to take out the green valve stem and reinstall it backwards, then super-glue it and the piece on the right in this picture
to the plug itself. Then if you still want to, fill the center of the plug with hot glue.


You know, that's a great idea, I hadn't even considered installing the plug backwards. I'll have to do that if I ever mess around with a MagStrike again. And I might, they're getting really cheap at TJ Maxx around here. I might even try and use the bladder from a MS to power another gun, we'll see.

Completely OT, but thank you for the Shotgun design for the LongShot, I would have been completely lost designing one of my own. :blink:


I recommend reinstalling the big mostly-flat piece which held in the trigger lock mechanism. It also serves to help guide the operating rod.

Don't let any of 'em get to you. It just doesn't matter even if it had all been said and done before -- new, clear, photos and descriptions add to the educational value.

What do you think of leaving the valve alone, and drilling about a 3/4 inch hole in the end of the "stock" so the valve simply never touches anything?
That way, you could also peek in and judge the current state of the tank.
If debris getting in is a concern, maybe a bit of acrylic can be rigged as a "window."



Hm... I will do that, I hadn't thought of that aspect of it.

Eh, that was my thought on it, and I want the practice at writeups. I know 99% of the stuff I do has been done before, especially my NiteFinders and Mavericks, doesn't mean I'm not gonna post pictures. :)

You know, that's a great idea, except that under that much pressure the valve is going to leak at least a little. I think I'd at the least put some super glue on the inside to bond the valve's gasket ring to the rear plug so that there wasn't any air escape.
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#11 Bomberman

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Posted 19 August 2008 - 01:11 PM

This is a great write-up. Don't listen to Kid Flash and those other guys, they're just being douchebags. Even if it has been done before, it's always good to have another write-up, if someone doesn't understand the first one. You were very clear about your instructions, great usage of pictures, and the clip mod portion of the modification guide was very thorough, and easy to understand. A lot of people don't take the time to make a write-up this great. I would give this write-up an 8 or 9 out of 10 rating.
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QUOTE(silentsnipe) View Post

It's not like that. I put lube on it and its the same. Its just stuck. And when I cock it back it goes farther back then usual. Also I push as hard as I can and it wont go back in. I've tried the methods and they wont work. Also pics are up.

#12 Draconis

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Posted 19 August 2008 - 01:21 PM

Very nice, well organized write-up! Thank you! One question though, why remove the trigger lock? You don't really ever want to fire the gun without a clip in, right? Or am I missing something?
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#13 hereticorp

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Posted 19 August 2008 - 01:25 PM

I would give this write-up an 8 or 9 out of 10 rating.


Thanks!

What could I do to make this a 10/10 writeup?

Very nice, well organized write-up! Thank you! One question though, why remove the trigger lock? You don't really ever want to fire the gun without a clip in, right? Or am I missing something?


Just because I don't like it, there's no real reasoning behind it other than that. :blink:
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