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Military Firearm Restoration Corner

Chamfer barrel


Horsefly

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I suppose the best method would be to just buy the right tool. 

I dunno about the outside edge, but just some emery cloth and a palm should break the sharp edge.  For the crown, I use a carriage bolt and valve grinding compound in an electric drill.  Just load up the bolt head with the compound and rotate it around with the drill on.

 

 

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Thanks for the reply Dr. I was hoping there was some magic or secret tool I never heard of to make more of a chamfer on outside edge. 1st Swede I sportered 20  years ago I had a Smith cut and crown barrel and expected the outside edge to look more like the one he cut off. It’s just a glitch I have. Target and bull barrels should be the look I go for. They’re not heavily chamfered. Thanks again Dr. Hess. 

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  • 3 weeks later...
On 11/28/2021 at 12:34 PM, donmarkey said:

Lathe

I agree, a lathe is the best bet.

Several years ago I got a Ruger Redhawk in a multiple gun trade. The Ruger’s barrel had been shortened with a half-assed crown. A gun smith removed the barrel and put it into a lathe. He re-crowned the barrel and did an excellent job rounding out the sharp edges on the end of the barrel. Afterward the 3 1/2” barrel chambered in 44 Mag is now a good shooter. A night vs day improvement in the shot to shot accuracy.

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  • 2 weeks later...

If you go to Dave Manson's website  https://mansonreamers.com/catalog/  you can download his catalog in a .pdf format and open it in Adobe Acrobat or in a web browser - on page 15 is his Muzzle Crown Refacing Tool Kit, I have one - works great.  I have two pilots - .25 and .30 cal with the 0 degree cutter, 11 degree cutter and 45 degree chamfer cutter.  This combination makes for a nicely protected 11 degree crown and a perfectly executed chamfer.  No gunsmith or lathe needed.  There's probably a video or two up on Youtube for reference.

Happy to loan this rig to you, but I need it back in about 6-10 weeks. My wife bought me a new barrel for Christmas from McGowen. It's a LR Mauser prefit 6.5mm #2 contour @26" - I'm going to cut it down a bit and re-crown it.  Someone must have ordered it then abandoned their project, and I've been wanting to neck down the .280 Ackley Improved case to 6.5mm and go shoot'n. It was a very Merry Christmas at my house! :)  Send me a PM if you're interested in using the tool and I'll mail it to you. I also have a chamfer cutter that I bought of eBay that I use to chamfer the chamber a little deeper/wider - I polish by hand with 600 grit wrapped around a couple of wood coffee stirrers and viola! I'm putting my gunsmith out of business. I thank D'Arcy Echols for this trick.

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Thanks very much for the offer. I got the rifle done and given to my brother. It’s a dang good shooting rifle. In the hands of a good shot probably would be tack driver. Again,thanks.  Dudes like you are the reason I’m back on this site. 

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