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Breech W/o Coupler Or Dremel

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#1 Arcanum



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Posted 17 May 2006 - 05:15 PM

For a long time I've wanted to create a breech barrel without a coupler. Usually when I do a coupler breech it'll work for a couple months, but I'll constantly have to reattach the coupler because when I remove the barrel after a while the coupler starts to come off as well. I know this could probably be solved with epoxy and what not, but i like to re-mod alot of my guns.

This is my sm1500 single barrel that I've probably done 6 different mods to. Three are probably posted somewhere on here. Anyway, I wanted to make a breech barrel without a coupler or dremel (because I don't have one) and I figured it out.

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I connected a small piece of schd. 40 pvc to the airtank and then I attached a coupler to it. The only reason the coupler is there is to connect the two pieces of pvc. I then sanded out the inside of the 2nd piece of pvc so i could easily slide my cpvc in and out of it.

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This is the CPVC barrel. I cut from the end because there was no easier way to do it without a dremel. The side with one half slides into the sanded out pvc and can be locked into place once the full cpvc barrel slides inside the pvc.

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Here is the cpvc in the pvc without a dart loaded. To load a dart I simply slide out the cpvc to a point where the dart can be pushed in. Then, once the dart is securely in the breech I slide the cpvc back in.

PLEASE UNDERSTAND: The cpvc does not have to be removed all the way in order to reload, seeing as that the purpose of this mod was to increase reload time.

I can fire 5 rounds in a short amount of time with just 4 pumps per shot.

Low range: 93 ft.
High range: 102 ft.

Its power varies, but the sm1500 is known for its incredible accuracy and this particular gun is no exception.

Post questions/comments

video should be working in a little bit:

Edited by Arcanum, 17 May 2006 - 10:23 PM.

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Universtiy of Illinois Fighting Illini

#2 PiMpDaDdY



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Posted 17 May 2006 - 07:04 PM

That is a real nice. I was looking to do a breech on my bbb but now that I have seen yours I will attempt it. :blush:

Edited by PiMpDaDdY, 17 May 2006 - 07:05 PM.

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I only ask because I'm thinking of trying these and it would suck if the balls got all covered with hairs after a while.

#3 Starbuck



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Posted 18 May 2006 - 11:34 PM

That's similar to my standard Artemis breech system.

I don't like using couplers. I'm cool like that.

Well done.
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Starbuck, The Noid,
Artemis Arms Armory

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