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Tech Target Brass Breach

All internal brass breach

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#1 madmax

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Posted 08 June 2009 - 06:48 PM

OK, here goes.

How many of you have every gotten tired of ram-roding darts or pushing them in with your finger. How many of you have random pieces of brass lying around? Well, if you fit into these categories, its time for a change. Introducing the Internal Brass Breached Tech Target(IBBTTG)

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Final project will look like this. Lets get started.

Materials

Brass, 9/16 and 17/32

Dremel with cutting bit (for the brass)

First open up your gun. Make sure that when you open up the gun you do not loose this piece

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Take everything else out and put it somewhere safe, we are going to be working with on of the half shells of the gun. Pick the side that you want your breach to be on. Now you want to cut out a rectangular hole in the side of the case

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You want the hole to be long enough to fit a dart in, and it should go from the top blue rail to the middle blue rail.

Now, take your 9/16 brass. First, cut it down so that is reaches from the front of the plunger tube to the front of that orange piece (front meaning the farthest away portion of it) After the brass is cut down you want to cut a rectangular hole it it the same length as the hole in the side of the gun. The hole on the brass should take up about half of the brass (circularly)

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This is what you want

Then hotglue, or any alternative glue, your brass over the lip of the plunger tube. The 9/16 should fit perfectly over this lip.
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Now you want to cut down that orange piece. It should go from looking like this:
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to looking like it does in this picture
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Dremel out the inside of the orange piece, and glue it to the end of the brass so that it holds the front of the section solidly in the gun. When the plunger tube is in place the breach should line up with the hole you cut in the side of the gun. The front orange piece serves to make it look clean, and to hold the front of the breach steady in the gun.

Now we can move on to the barrel. Take you 17/32 and cut it down to your desired barrel length. This obviously depends on the number of bands you have on your gun, ect, but I think 6 inches is a good length. Test the breach by sliding the barrel into it to make sure it slides nicely. Now you want to measure the amount of brass that sticks out the front of your gun, and cut a length of PVC to cover that.You should end up with this as your barrel
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Looks nice, no?

You now have a breached side arm, that looks damn nice because of the nested brass. If your feeling particularly awesome you can figure out how to put a clip on this. I'm sure its possible, but I have not done it. Yet.

If you want to duel wield these just put the breaches of each one so that they either both face in or out when you hold both of them (based on your preference)

2X final product, cause 2 is better than 1.
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Slap some rubberbands on there and your good to go.

Questions, Comments, Flames?
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Tech Target Breech
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#2 MOD FREAK

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Posted 08 June 2009 - 06:56 PM

I'm not going to lie. That's extremely sexy.
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QUOTE(Boss18 @ Mar 27 2009, 02:51 PM) View Post

You stabbed your ding dong with an X-acto knife?

#3 Possemhunter

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Posted 08 June 2009 - 07:01 PM

Nice work. I'm a bit confused though. Do you cock the gun regularly, then pull out the 17/32 portion to open it, then put a dart in and push the 17/32 back in? What keeped the dart from going into the plunger tube.
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#4 X RUSHED X

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Posted 08 June 2009 - 07:12 PM

It's funny. I was thinking about doing this to a nightfinder tomorrow. I guess now I don't have to guess and check with my brass sizes. Nice mod. Does the breach affect ranges at all?

Edited by X RUSHED X, 08 June 2009 - 07:14 PM.

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QUOTE(Hipponater @ Oct 7 2009, 05:34 PM) View Post

If it feels hard to pump, stop.


#5 ilzot

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Posted 08 June 2009 - 07:17 PM

Mine vacuum loads, so I don't need a breech and still get hot range.

But that is awesome. Props bro.
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QUOTE(Vinnie D. @ Feb 1 2010, 05:28 AM) View Post

... to be able to get a better burst or sustained fire, rather than blowing the whole load at once.


#6 madmax

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Posted 08 June 2009 - 07:17 PM

XRUSHEDX: It probably does, but its extremely close to airtight, so if it does at all, it will be a small amount. I will probably post ranges when I get rubberbands for it.

Possemhunter: The opening on the plunger tube is about the size of a screwdriver head, so the dart cannot fit through. It really doesn't matter what order you cock/load its really up to the person using the gun. Personally, I normally cock right before I fire, like as i'm pulling the gun out of a holster, so the spring doesn't get to compressed.

MOD_FREAK: Thanks, thats why I love nested brass and PEX tubing. I might drill holes in the PEX to make it look like a flash-hider.

ilzot: Mine used to vacuum load, but somehow I screwed it up. This is a good mod if you cant get it to vacuum load.

Edited by madmax, 08 June 2009 - 07:18 PM.

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#7 white moonlight

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Posted 08 June 2009 - 07:23 PM

This is insane.

I like how you cut the hole into the shell itself.

Edited by white moonlight, 08 June 2009 - 07:24 PM.

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#8 Gym

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Posted 08 June 2009 - 07:41 PM

Possemhunter: The opening on the plunger tube is about the size of a screwdriver head, so the dart cannot fit through. It really doesn't matter what order you cock/load its really up to the person using the gun. Personally, I normally cock right before I fire, like as i'm pulling the gun out of a holster, so the spring doesn't get to compressed.


I suspect Possemhunter was asking whether the breech opens and closes automatically based on the gun being cocked, or if you have to manually cock the gun and manually open/close the breech in separate motions. I was wondering this at least.

Either way, awesome.
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#9 FEARNERFER

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Posted 08 June 2009 - 07:42 PM

You should stick a deoderant clip on that breech, it would be awesome! Clip fed tech target, i'm pretty sure it hasn't been done, lol.
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#10 madmax

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Posted 08 June 2009 - 08:05 PM

FEARNERFER: I want to create a balsa wood clip or something like that. The clip would extend either at a 45 degree angle from the gun or straight to the right/left. That way the darts would roll into the breach instead of falling one end first or something like that.

Gym: Its a manual breech, separate from the cocking mech. Its probably possible to integrate the two, but then the breech would open when you fired the gun.

Thanks white moonlight, I feel it looks cleaner than if the breech was in front of the gun, as it is its all contained.
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#11 Shrub

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Posted 08 June 2009 - 08:28 PM

Could use some cleaning up but looks VERY easy. But do you REALLY NEED a breech on a side arm I can understand if your dual wielding them but as secondaries it wouldn't actually be all that worth it since you don't use it THAT much.
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#12 PointBlank

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Posted 08 June 2009 - 10:00 PM

I am a big fan of breaches that do not destroy the over all appearance of the gun. Nice work!

Edited by PointBlank, 25 June 2009 - 03:01 PM.

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#13 alextwin007

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Posted 08 June 2009 - 10:14 PM

I saw something very similar to this at BFNY II and I loved it. I forgot who made it and glade that you made a writeup, props.
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#14 madmax

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Posted 08 June 2009 - 10:21 PM

alextwin007: That was my gun, I am in clan nightshift, the people who hosted BFNY I, II and III. Glad you liked the gun.

Shrub: Its not really necessary to have a breach on a side arm, but I don't like ramrods because I always loose them.

Pointblank: Same here, this is the only gun so far that I have actually been able to integrate the breech into, on every other gun its outside of the gun shell. The tech target is perfect for this mod.
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#15 cheesypiza001

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Posted 08 June 2009 - 11:24 PM

Possemhunter: The opening on the plunger tube is about the size of a screwdriver head, so the dart cannot fit through.


I suggest you open up the air hole as much as you can without making the hole as big as the diameter of the dart. It will result in better airflow which leads to better ranges.
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#16 Zorns Lemma

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Posted 08 June 2009 - 11:44 PM

Is this any faster than a coupler?

Edited by Zorn's Lemma, 08 June 2009 - 11:44 PM.

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#17 Coop

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Posted 09 June 2009 - 02:05 PM

Great idea, you motivated me to get off my ass!

I ended up using a shorter barrel than what is in your write-up, so I added a coupler on the end of the PVC barrel cover so it's easier to grab.

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Without a spring replacement, I'm hitting 45-55' flat. I do have two rubber bands on it though.
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On the other hand, the guy who posted before me used the word 'fuck' a lot so he probably knows what he's talking about.


#18 Possemhunter

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Posted 09 June 2009 - 02:37 PM

XRUSHEDX: It probably does, but its extremely close to airtight, so if it does at all, it will be a small amount. I will probably post ranges when I get rubberbands for it.

Possemhunter: The opening on the plunger tube is about the size of a screwdriver head, so the dart cannot fit through. It really doesn't matter what order you cock/load its really up to the person using the gun. Personally, I normally cock right before I fire, like as i'm pulling the gun out of a holster, so the spring doesn't get to compressed.

MOD_FREAK: Thanks, thats why I love nested brass and PEX tubing. I might drill holes in the PEX to make it look like a flash-hider.

ilzot: Mine used to vacuum load, but somehow I screwed it up. This is a good mod if you cant get it to vacuum load.

Thanks I get it now. I wonder if you could do this to any other guns. The night finder doesn't have enough shell around the barrel to do this do. At least a think.
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#19 Hi Yah

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Posted 09 June 2009 - 05:16 PM

Nice mod. I personally prefer breaches to couplers because they are faster.
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The yellow balls are also slightly smaller in diameter than the green ones.

#20 madmax

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Posted 09 June 2009 - 05:17 PM

Coop: NICE! It is a really cool feeling to see someone else do my mod. I like how you also dremeled out the orange piece instead of just cutting it. Its really cool, I tried you crossbow mod (integrated 2k, absolutely love it) and you've done my mod. FULL CIRCLE!

Zorn's Lemma: I honestly don't know. It's probably faster than a coupler and 1 barrel, but not if theres a speedloader or multiple barrels involved. I just love brass breaches and had some brass lying around (I was hyped up on caffeine) so I tried the mod, and it worked pretty well.
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