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Opening barrel channel on McMillan stock
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Matt Norman
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I have a rifle in a McMillan stock that I want to rebarrel to a larger caliber. It might mean that the barrel channel might need opened up.

Is that a big deal?
 
Posts: 3292 | Location: Western Slope Colorado, USA | Registered: 17 August 2001Reply With Quote
dpcd
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Depends on how good you are with fiberglass.
I use a milling machine with ball end mills to do it.
 
Posts: 17361 | Location: USA | Registered: 02 August 2009Reply With Quote
Toomany Tools
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I’ve used Gunline barrel channel scrapers and they work fine.


John Farner

If you haven't, please join the NRA!
 
Posts: 2946 | Location: Corrales, NM, USA | Registered: 07 February 2001Reply With Quote
M Pursell
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A flap wheel on a Foredom or a die grinder works well. A quality dust mask in a must and a vacuum hose helps too.


Mark Pursell
 
Posts: 545 | Location: Liberty, MO | Registered: 21 January 2003Reply With Quote
Matt Norman
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Thank you!
 
Posts: 3292 | Location: Western Slope Colorado, USA | Registered: 17 August 2001Reply With Quote
Jim Kobe
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quote:
Originally posted by Toomany Tools:
I’ve used Gunline barrel channel scrapers and they work fine.


Ditto! I have a few different sizes


Jim Kobe
10841 Oxborough Ave So
Bloomington MN 55437
952.884.6031
Professional member American Custom Gunmakers Guild

 
Posts: 5531 | Location: Minnesota | Registered: 10 July 2002Reply With Quote
D Humbarger
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A milling machine is THE method to use.
The channel can be dead on. I don't use
any other method.



Doug Humbarger
NRA Life member
Tonkin Gulf Yacht Club 72'73.
Yankee Station

Try to look unimportant. Your enemy might be low on ammo.
 
Posts: 8351 | Location: Jennings Louisiana, Arkansas by way of Alabama by way of South Carloina by way of County Antrim Irland by way of Lanarkshire Scotland. | Registered: 02 November 2001Reply With Quote
ramrod340
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I do the first 90% with my duplicator then finish with the Gunline.


As usual just my $.02
Paul K
 
Posts: 12881 | Location: Mexico, MO | Registered: 02 April 2001Reply With Quote
dpcd
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As with anything, it depends on the definition of "open up". If you mean "OPEN UP" from featherweight to most anything else, you can't scrape it.
If you mean open up from #1 to #2, then you can.
 
Posts: 17361 | Location: USA | Registered: 02 August 2009Reply With Quote
kendog
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Save your end mills for metal. Composites and wood dull them in a hurry. Try carbide router bits known as "core box" cutters. A much cleaner cut at a fraction of a big ball end mill cost, and they last forever.
 
Posts: 245 | Registered: 24 August 2008Reply With Quote
MyNameIsEarl
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quote:
Originally posted by Matt Norman:
I have a rifle in a McMillan stock that I want to rebarrel to a larger caliber. It might mean that the barrel channel might need opened up.

Is that a big deal?


Is it fiber glass or carbon fiber? Carbon fiber are super easy, sand paper works great. If its fiber glass then yes milling would be best method
 
Posts: 768 | Location: Camp Verde, AZ | Registered: 05 February 2006Reply With Quote
JTEX
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quote:
Originally posted by kendog:
Save your end mills for metal. Composites and wood dull them in a hurry. Try carbide router bits known as "core box" cutters. A much cleaner cut at a fraction of a big ball end mill cost, and they last forever.


tu2

I do a lot of flat tops. This is what I use!
 
Posts: 42416 | Location: Crosby and Barksdale, Texas | Registered: 18 September 2006Reply With Quote
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