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Webley and Scott .25 rebuild with gas piston
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Billbobnz View Drop Down
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    Posted: 27 Jan 2023 at 12:49pm
Well finally I have this little machined part from the guy down the road. Will see if I can get this gun back together this weekend.
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kruzaroad View Drop Down
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Posts: 2284 		Post Options Post Options   Thanks (1) Thanks(1)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jan 2023 at 2:33pm
What is it??
Looks massive for an air rifle
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Billbobnz View Drop Down
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Posts: 867 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Billbobnz Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jan 2023 at 2:53pm
It is the rear receiver for the gas piston to sit in above the trigger assembly.
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kruzaroad View Drop Down
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Posts: 2284 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jan 2023 at 3:01pm
Probly would have helped if I swiped the pic to left and saw the rest. Doh.
So is that same as original or have you redisigned it a bit.
Not really a part I would have thought would flog out.
What metal you use for new one.
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Billbobnz View Drop Down
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Posts: 867 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Billbobnz Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jan 2023 at 3:22pm
Here it is with the original. The piston needed to be resessed into the end peice to allow it to be cocked. The piston is about 5mm too long. The original is a cast part and I didn't want to modify that as buy milling alot of material out it may have failed very fast.

Just did a test fit and it needs .5 of a mm taken off in 1 area and it should all be perfect.




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Billbobnz View Drop Down
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Posts: 867 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Billbobnz Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jan 2023 at 3:25pm
New part is 6061-t6 aluminum I think it's made from.
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kruzaroad View Drop Down
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https://asm.matweb.com/search/SpecificMaterial.asp?bassnum=ma6061t6
Properties of 6061-t6 aluminum.
Looks like a good choice for sure.
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CuteRabbit View Drop Down
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Posts: 120 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CuteRabbit Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2023 at 2:00am
Wonder if it is possible to buy a steel pipe and some bearing ball and a gas-struct on car to 3d print an air rifle so that we can gain an air rifle at somewhere no air rifle sold such as China?Wink
Squirrel goes Vege

@Crosman Benjamin Ironhide .22 Nitro Piston Elite
@Umarex Surgemax .177 Gas Ram 1000fps
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Billbobnz View Drop Down
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Posts: 867 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Billbobnz Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2023 at 9:50am
Gas struct on cars are usually got a system that regulates the force for a smooth operation or works at a lower pressure than gas rams.

You can get seamless steam pipe off AliExpress and rifling buttons for forming barrels but you will need a press to push the rifling button through.
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kruzaroad View Drop Down
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Posts: 2284 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2023 at 10:26am
Don't encourage him, sounds like he wants to start a underground Chinese illegal air rifle ring
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