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Little Big Pistol Build |
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BC_Clark 
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Joined: 16 Feb 2024 Location: Auckland Status: Offline Posts: 23 |
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 Topic: Little Big Pistol BuildPosted: 17 Jun 2026 at 10:16pm |
   
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Pauly5
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Joined: 11 Mar 2013 Location: Titahi Bay Status: Offline Posts: 1762 |
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Posted: 18 Jun 2026 at 8:11am |
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Nice work! Interesting
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nunga
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Joined: 09 Mar 2013 Location: Pukekohe Status: Offline Posts: 1133 |
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Posted: 18 Jun 2026 at 7:58pm |
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This looks very interesting, love seeing all the different machinery out there that our users have in their man caves!
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2nd place HP springer - WFTF World Championships 2014
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BC_Clark
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Joined: 16 Feb 2024 Location: Auckland Status: Offline Posts: 23 |
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Posted: 19 Jun 2026 at 8:45pm |
 The air tube. Can't get much air in there so had to open it up a bit.    I was going to use some SAF2205 seamless pipe but it wasn't precise enough and not enough material to clean it up to my required dimensions.
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vault
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Joined: 27 Apr 2026 Location: Dunedin Status: Offline Posts: 125 |
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Posted: 20 Jun 2026 at 12:16am |
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60cc ?
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BC_Clark
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Posted: 20 Jun 2026 at 5:10pm |
Only 25cc and a 4.75" barrel.
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vault
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Joined: 27 Apr 2026 Location: Dunedin Status: Offline Posts: 125 |
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Posted: 20 Jun 2026 at 10:49pm |
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Be a good 30cal Cant wait to see more
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Pauly5
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Posted: 20 Jun 2026 at 11:09pm |
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Certainly increased the capacity on that tank.
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BC_Clark
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Posted: 21 Jun 2026 at 3:21pm |
 
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BC_Clark
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Posted: 21 Jun 2026 at 3:25pm |
The first one was aluminium with 6.4" barrel in .30, shooting JSB's up to 777 fps at maximum tune. |
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BC_Clark
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Posted: 21 Jun 2026 at 10:09pm |
   Bending the bolt handle. The handle is not the locking lug but it is a backup like in a Mauser action.
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BC_Clark
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Posted: 26 Jun 2026 at 8:23pm |
               Spent a few hours making the front sight.
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BC_Clark
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Posted: 02 Jul 2026 at 10:12pm |
   Bead blasted after sanding everything to 180 grit.
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Pauly5
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Posted: 02 Jul 2026 at 11:22pm |
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That's nice. The finish is really good.
Quite a lot of work in that grip frame too. I am keen to see the trigger set up. So many questions, but I'll refrain.
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BC_Clark
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Posted: 48 minutes ago at 7:15pm |
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Pauly, the grip frame is laser cut with a few finishing machining ops and sanding smooth. I designed the grip frame to be more builder friendly than the Crosman 22xx, intending to make them available for custom builders. It has a sliding trigger with short travel and a drop sear. I like it better than even a tuned 22xx trigger. I tried adding a pseudo 2-stage plunger screw but it did not seem worthwhile. edit: the two small holes in the grip frame are for the retrospectively designed safety lever. Normally I do not believe in using trigger safeties (rather de-cocking) but this pistol cannot be de-cocked without double feeding, so I decided a safety is needed.
Edited by BC_Clark - 44 minutes ago at 7:19pm |
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vault wrote: