For longer barrels (regardless of rifling method) drilling and reaming, would be complex, in time money, and equipment.
Good thread with a setup. gun drilling on lathe
To me for small production / home projects cut rifling would make some sense. Take a look at this page. http://weaponsman.com/?p=19960 The first video that shows Tony Small's rifling machine is quite nice. This is a link to the internet archived version of his web page. nickalguns.net Website
Sure it could be improved but it is a great starting point.
Correct . Makers like Savage use butttion rifled barrels .
I don't think using a air over hydraulic pump to run your press ram is a good way to achieve a smooth finish as its going to stop an sart the pressure the entire time . Id want a pump that ran the ram through in one smooth push an id want a longer stroke .
I have looked at an are still looking at doing pistol barrel like this myself. particular a 9mm barrel
for the t33/ m57 pistols.
Buttons are not cheap about $250 or so .
then there is the needed stress reliving an all that . you button rifle the barrel when its a straight blank as near as I can tell . that sort of killed it for me as I wanted to use a blank that had material for the link pin hole on one side .
there is a lot more to this than just pushing the button through . Lapping an what not .
Im not sure that article is entirely correct it states the head of the machine pressing the button sets the twist . I think that is incorrect . My understanding is the button twists as its pressed in by the way its cut an that buttons are made to make a specific twist .
Barrel blanks like from Green Mountain are buttoned rifle .
I am interested in a inexpensive button if there are any out there .
Im not sure that article is entirely correct it states the head of the machine pressing the button sets the twist . I think that is incorrect . My understanding is the button twists as its pressed in by the way its cut an that buttons are made to make a specific twist .
As I understand it you will still have a degree of slippage that can occur if the button is left to rotate on it's own and isn't given guiding twist.
You can rotate the barrel and have the button fixed (like in this video [video=youtube;z3X4129wGDM]https://www.youtube.com/watch?v=z3X4129wGDM[/video] )
Or you can rotate the button and have the barrel fixed. As can be seen in this video, https://youtu.be/fWYg_s_Y0yg?t=386
I was looking at the rack and pinion style rifling machines and happened upon this. First video out of 6.
[video=youtube;GrPR8Z0eI4E]https://www.youtube.com/watch?v=GrPR8Z0eI4E[/video]
In this video https://youtu.be/sS1pg3TCFv0?t=619 and in the video after it Waffenschmiedin x uses the lathe rifling attachment for the first time. In a revolver build from scratch. Quite an impressive amount of work went into all of it.
I find the rack and pinion style rifling machines quite interesting. If you wanted to you could experiment with having a (water cut or laser cut) sine bar/ cam profile that would give you gain twist rifling. It might not amount to much but would be a fun project to build and test.
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Related Threads
?
?
?
?
?
Gunco Forums
772.5K posts
34K members
Since 2004
A forum community dedicated to AK-47 and AR-15 firearm owners and enthusiasts. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more!