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August 26th, 2008, 17:55
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#1 |
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JP-15 countersniper build
I've been working on this build for a few months already... It started as a TM M4A1 but it now contains only one TM part(stock screw). I plan to have JP rifles or Grendel trademarks engraved in the future. I was also forced to cut the fake gas tube because I didn't tighten the barrel nut enough. This project has run me around $800 at the moment.
Instead of a standard gearbox, I've opted to use a Madbull 470 CO2 mechbox. Although this mechbox only comes in semi, I'm not too worried since this gun is meant to be a countersniper. It gives me about 50-60 good shots at 350fps per CO2 cartridge. It also has a blowback mechanism which needs to be cocked via charging handle before firing (adds realism). If you plan to get one of these, be prepared to grind/file/sand. Special thanks to Jugglez for helping me track one down. Parts: -590mm Madbull tightbore (I would have used the 650mm but bore-up kits aren't available) -D-boys metal body -G&P hopup -Madbull JP rifles 12 inch front set(I used the 24 inch barrel) -KA G16 grip -KA M16 full stock -KA M16 VN mag -Madbull shark bucking -Madbull 470 CO2 mechbox -Madbull charging handle spring To come: -Scope -Bipod -Silencer    Excuse my shitty photography... Last edited by digital_blue; August 26th, 2008 at 18:18.. |
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August 26th, 2008, 18:00
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Last edited by Strelok; April 11th, 2011 at 12:08.. |
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August 26th, 2008, 18:04
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August 26th, 2008, 18:06
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Curious though, How snug is that gearbox in that body? I own the same brand of body and i'm looking to make a Counter sniper much like your own (Maybe not as long, though, it is tempting~!)
________ Motorcycle Tires Last edited by Strelok; April 11th, 2011 at 12:08.. |
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August 26th, 2008, 18:08
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The mechbox actually fits really well in this specific body(no grinding whatsoever). I have 2 other Dboys bodies and they probably need some major rework to fit the mechbox.
Last edited by digital_blue; August 26th, 2008 at 19:36.. |
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August 26th, 2008, 18:23
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Nice. I'm in the midst of a similar build using the OD JP kit, a G&P body, and an OD G&P "marine sniper" stock rounded out with a Magpul grip. Will a 650m inner barrel fit with the longest outer barrel? I haven't ordered my inner yet....probably doing to go with a DB 6.01 or PDI. Mine's using a conventional mechbox setup, and I plan to run one of the single-shot-timed mosfets pushing around 470 fps on Lipo....
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August 26th, 2008, 18:28
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I'm trying to get one of those madbull JP rifles bodies. Too bad nobody imports them...
Last edited by digital_blue; August 26th, 2008 at 18:40.. |
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August 26th, 2008, 18:42
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fuck, 2 madbull co2 mechboxes in less than a week. This means I need one. I'm THAT influential.
How many shots can you get with 1 cartridge?
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WE AIN'T DEAD |
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August 26th, 2008, 18:43
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August 26th, 2008, 18:47
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Semi only?
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WE AIN'T DEAD |
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August 26th, 2008, 18:48
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you can get auto on it but i herd on semi you can get upwards of 100 shots off.
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MY COLLECTION AEG M4 coustom full metal with king arms metal body //\\ Galaxy MP5 PDW GAS/SPRING KJW M9 FULLY UPGRADED //\\KWA FULL SIZE USP //\\ TF MAC11 GEAR Coyote Brown CIRAS |
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August 26th, 2008, 18:50
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what did ya go right to the gun prons? 
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August 26th, 2008, 18:55
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Only available in semi. You can probably modify it to do full-auto but I wouldn't recommend it...
This mechbox has been discontinued by madbull for quite some time and they no longer offer support for it. Jugglez should be able to get you one. Just be prepared for the work involved getting it to work. The only reason I used this mechbox is because I hate electrics... Last edited by digital_blue; August 26th, 2008 at 19:00.. |
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August 26th, 2008, 19:08
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from what i was told their is an auto vs too. also you should add a silencer to that to make it even more bigger lol. also form your specs you should go to a guarder hop up bucking it will gain you a bit more fps and if not try going to a ka enhanced hop up with the little o rings on it it should improve your fps by anouther 10 to 15 fps. then you would be shooting a countersniper load up some .25's or even .3's in their and you would have pure acuracy bliss.
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MY COLLECTION AEG M4 coustom full metal with king arms metal body //\\ Galaxy MP5 PDW GAS/SPRING KJW M9 FULLY UPGRADED //\\KWA FULL SIZE USP //\\ TF MAC11 GEAR Coyote Brown CIRAS Last edited by jesster202; August 26th, 2008 at 19:14.. |
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August 26th, 2008, 19:20
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Nope, this mechbox is one of madbull's "abandoned projects". They were gonna develop an external air system and an electronic trigger but they dropped the project. I cannot use anything but a madbull shark hopup. These mechboxes are are known to double feed with conventional hopup rubbers. I am using 0.23g bbs...
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