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Discussion Starter · #1 · (Edited)
Hi,
Was not impressed with the Crown on my Regard (fully functional, but...)

I also wanted the Barrel flush with the slide.

I have a 80 year old Lathe with only a 3/4" thru hole, in the headstock spindle.

Also my 4 Jaw is not deep enough to hold the barrel length with the lugs in the way, sooo...

Had to use the 3 jaw.

Turned a jig to hold the Barrel and marked everything to be able to keep it indexed to the chuck as it was turned.

Went with a 20 degree cut for a little more protection than my usual 11 degree Crown.

Think it came out pretty nice, left a hair of overhang, here are some crummy pics (as usual) but looks better to me!
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Bicycle part Rim Bumper Wood Cylinder
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Discussion Starter · #3 ·

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Discussion Starter · #6 ·
Damn fine job there! Nice to see those older machines putting in the work
Hi,
Thanks, a 1945 Clausing 12X36 MK3A...

Has Timken Roller Bearings instead of bronze bushings (Southbend)

Allows a higher RPM, good for more modern Carbide Tooling.

Wish the thru hole was larger, but???

On the last pass, jacked the speed up, put on some cutting oil and pulled a slow feed with the compound and got a pretty good finish.

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79 IHC Scout II, 74 VW Bug class 11 look a like
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Wish I had a lathe, here's a picture of a recessed crown I did on a Ruger Super Blackhawk using counterbores, it was cut to 4 3/4" by my Brother and a buddy of his with a hacksaw, It was not straight. I used a 1" counterbore with a 7/16" pilot that I sanded down to fit the bore to clean up the face of the barrel and used a 5/8" counterbore with the same pilot and recessed the crown and used a brass lap the clean up the rifling.
Cylinder Material property Gas Nickel Household hardware

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I had a smith drill and tap the barrel for a front ramp off of a Marlin 45-70 barrel, maybe some day I will finish it.

eQ
 

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Discussion Starter · #8 ·
Wish I had a lathe, here's a picture of a recessed crown I did on a Ruger Super Blackhawk using counterbores, it was cut to 4 3/4" by my Brother and a buddy of his with a hacksaw, It was not straight. I used a 1" counterbore with a 7/16" pilot that I sanded down to fit the bore to clean up the face of the barrel and used a 5/8" counterbore with the same pilot and recessed the crown and used a brass lap the clean up the rifling.
View attachment 486794
View attachment 486796
I had a smith drill and tap the barrel for a front ramp off of a Marlin 45-70 barrel, maybe some day I will finish it.

eQ
Hi,
That looks fantastic, you are obviously better with those Cutters than I am!

I had to really slow down and lighten up, to get where they would not leave chatter marks but...

I'm sure every Hobby Gunsmith has a collection of different cut tools for a Crown Refurb!

Here is my probably, 25 year old set from Brownell's...

Still comes in handy when a barrel can not go into the Lathe, for one reason or another!!!

Tool Cosmetics Font Metalworking hand tool Rectangle
 

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Discussion Starter · #9 ·
Hi,
Saw this, Tisas CHF Barrel machining, after forging!

 
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