Re: [CAD_CAM_EDM_DRO] Was: Aluminum cutting Re: Gunsmith, off topic

This is pretty off topic. MP5 is not gas, it's delayed blowback.
Email off list
Thanks

info.host@... wrote:

> > Yes, I am...among other things.
>
> You couldn't explain how a gas blow back bolt actually works for me could
> you? How is the gas used to cock the bolt back after a bullet is fired in
> things like the MP5 rolling bolt? For a bolt to be called closed operation
> does it have to turn 90 or more degrees to lock? Does the gas ever go to a
> resevoir in these kind of bolts for consistancy or by gas does it just mean
> the recoil from the bullet firing pushing the bolt back? This is my little
> brother who has forced me to ask you because he can't find it in his Jane's
> guide. When they make things like the chamber of a gun what kind of accuracy
> are the best made to?
>
> Thanks for any help,
> John
>
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