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.25 CO2 beast |
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nunga
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Joined: 09 Mar 2013 Location: Pukekohe Status: Offline Posts: 1114 |
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Topic: .25 CO2 beastPosted: 20 Apr 2026 at 6:35pm |
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Just want to say a big thanks to jwabfrog for sending me the .25 barrel. I will be starting my new project over the weekend. This will be a 30PFE .25 CO2 bolt action rifle Powered by a standard Sodastream 60L bottle. This will take a while as everything will be made by me (apart form the barrel) I have been planing and researching this for the last year and i am finally ready to start. So watch this space!
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2nd place HP springer - WFTF World Championships 2014
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-Ec
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Joined: 02 Sep 2025 Location: Matamau Status: Offline Posts: 196 |
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Posted: 20 Apr 2026 at 7:43pm |
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30FPE - that'll hit HARD. Any guestimate on how many shots you might get from a soda stream bottle? Going to take some careful engineering to put it together. Looking forward to seeing this project unfold. Good luck with it all.
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Regards,
-Ec |
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nunga
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Joined: 09 Mar 2013 Location: Pukekohe Status: Offline Posts: 1114 |
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Posted: 3 hours 21 minutes ago at 7:39pm |
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So ive been super busy lately but i managed to get into the garage today to make a start on this project. I have done the research but now i will test this research to make sue i am on the right track before i even start making the parts for the gun. So i am making an adapter to screw onto the end of the Sodastream bottle. It will have a thread on both ends. One to fit the Sodastream bottle and the other to have a threaded rod that will screw into the valve of the bottle to open it. Then i will tap a thread in the side to install a pressure gauge to make sure the bottle will give me the 800PSI needed for these calculations to get the 30PFE target output. ![]() ![]() I will drill and tap the rest tomorrow with a bit of luck and test.
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2nd place HP springer - WFTF World Championships 2014
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Ashman
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Joined: 11 Apr 2026 Location: Christchurch Status: Offline Posts: 67 |
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Posted: 26 minutes ago at 10:16pm |
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Holy sh*te there's mad ass engineers on here.
When you've finished that, any chance of building me a time machine? Just a basic one. Nothing fancy. Will need a dunny though.
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nunga
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Joined: 09 Mar 2013 Location: Pukekohe Status: Offline Posts: 1114 |
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Posted: 1 second ago at 10:42pm |
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Ha ha, sure thing!
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2nd place HP springer - WFTF World Championships 2014
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