3d printed bent mosin bolt

garp

garp

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Currently bent mosin bolts are impossible to find. So are stock bolts for that matter. I don't want to modify my original bolt so I've been looking for a solution. A friend of mine who does 3d printing suggested this:

https://www.thingiverse.com/thing:5239915/comments

I know these plastics are tough, but is this a disaster waiting to happen?

G
 
Daver_II said:
Your bolt is responsible for primary extraction... imagine if it broke while trying to extract a live round.
Click to expand...

KaBoom.jpg
 
Depends on the filament. PLA is degraded by heat, sunlight and water for example. Even nylon wouldn't be much use if a case doesn't want to come out. You might have to wait for metal printers to come down in price, then you can print gun things all day long.

Edit: Just looked at the picture of the bolt, gosh no, that is designed to snap off.
 
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The limitations of standard thermoplastic 3D printing make this basically not possible. With the force being put on the bolt handle to #### the rifle or perform primary extraction, you're not going to get more than a few cycles out of a plastic bolt handle before it snaps off in your hand. Just not the right material or process for the job unfortunately.
 
garp said:
That was my suspicion. Kaboom then ouchy.

Nice avatar btw Daver_II
Click to expand...

While I don't think a kaboom is in order, what could very easily happen is that the bolt fails and you have an absolute dandy of a time trying to open the action.

Possibly with a live round stuck in the chamber, and then you get the embarrassing drive to a gunsmith if you're not set up to deal with it on your own.

You as well.... just noticed.
 
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