Gunsmithing Opening up barrel channel in B&C stock

faraim

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Minuteman
Dec 27, 2008
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Well the title says it all. Has any one here done it ? I have a 700 with an M40 profile that is a bit fatter than the Remington Varmint diameter. The price of the B&C Medalist M40 stock is right but I've never ground or cut a fiberglass stock.
 
Re: Opening up barrel channel in B&C stock

If that is done, its a good idea to bed the barrel channel with a few layers of mil tape on the barrel.

This reseals the stock, and gives a nice free-float gap all the way around the barrel.


Mcmillan actually <span style="font-weight: bold">suggests</span> to bed the barrel channels of their stocks the same way... With mill tape on the barrel starting at the lug.
It seals and strengthens the stock.
 
Re: Opening up barrel channel in B&C stock

You need:

Dowel

60 or 80 grit sandpaper

Elbow grease

If you have a bunch of material to remove you will also need:

Hex head lag bolt screwed into the end of dowel

Drill with adaptor for socket that fits lag bolt

Rope/twine to wrap around forearm and dowel, used to bear down on the dowel.
 
Re: Opening up barrel channel in B&C stock

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: faraim</div><div class="ubbcode-body">Well the title says it all. Has any one here done it ? I have a 700 with an M40 profile that is a bit fatter than the Remington Varmint diameter. The price of the B&C Medalist M40 stock is right but I've never ground or cut a fiberglass stock. </div></div>

Laffin'....a difficulty of 2, on a scale of 10.

A 1 if there's a little beer and good tunes involved....sandpaper and a hunk of wood dowel. If you get into the fill then go a bit past that and then bed it back with a freefloat using Devcon Steel to replace the "hard shell".

Do something tough, like convert a McM Kevlar mountain stock to something beefy that will hold a #8 Kreiger target contour....not much of the original barrel channel left on this one. After hogging out more than enough room I "bedded" the barrel channel ("cast" would probably be a better word) over what little bit of foam was left with layers of glass resin and cloth using 12 or so layers of masking tape on the barrel. Then finished the job with 3 layers of tape for a free float using Devcon Steel.

'Course, the exterior of the stock was built up first with resin/cloth and fiberglass so there was something to work with. I know, buy the right shit to begin with, but this was a "from the ground up" project, and I did it this way....because I could.

Before.....
creek.jpg


After.....
0801111116a95268378.jpg

1-5.jpg
 
Re: Opening up barrel channel in B&C stock

Similar to what Tripwire said, I've just used a 1/2" driver deep well socket and sand paper wrapped around it. Takes just a few minutes, easy as can be.
 
Re: Opening up barrel channel in B&C stock

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Wanderlust</div><div class="ubbcode-body">Similar to what Tripwire said, I've just used a 1/2" driver deep well socket and sand paper wrapped around it. Takes just a few minutes, easy as can be. </div></div>
Yup. I think I used 9/16 deep well socket for my Weatherby last week.

Be sure to alternate sides and directions so you don't sand too much off one side.
A dowel might work better but I've never tried one for this.

When I sanded through the outer layer I just took a bit of Devcon from another rifle I was bedding and smeared it smoothly inside the forearm using a latex (actually nitrile) gloved finger. It turned out great, and with a bit of 220 sandpaper on that same socket it looks like new. Some UltraFlat Black Krylon in the barrel channel and it's good to go.