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Old 04-13-2012, 01:00 PM
USAMP USAMP is offline
Join Date: Mar 2012
Location: Arizona
Posts: 150
Mag Well Fit

Is this fit normal before it is blended inside the magwell?

I have only seen the end result on a MW with the grips on,I have been reading Blind Hogg on this, it looks the same to me and then he starts blending
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Old 04-13-2012, 01:06 PM
mark2734 mark2734 is offline
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Join Date: Jul 2008
Location: California
Posts: 4,593
I'm going to assume, never a good thing, that its a SA magwell. That being the case yes, that's very common. Log and some others have posted about relieving and repositioning the MSH retaining pin to get a perfect fit. That fit however, once blended, will be fully functional.
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Old 04-13-2012, 01:10 PM
log man log man is offline
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Join Date: Feb 2007
Location: Riverside County, CA
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Tips are how I do it. First I want the mag flange to fit up tight to the frame and since Allen Smith wants his mag wells to fit a wide range of frames he positions the hole a scoosh high. So, first I file the flange surface flat so it will mate with the bottom of the frame.

Then with an 1/8" and then a 5/32" chainsaw file I lower the hole so that I can hold the flange up tight against the frame with the pin through the hole in the frame and mag well.

I then TIG weld the upper portion of the hole rolling the weld puddle pretty deep into the hole. After a few minutes cooling I check if the weld at the side need to be flattened and get it to go back in and up. Take a look and proceed to file the weld with a needle file until I can get the 1/8" CS file in both sides and slowly round the weld out until I get the tip of the 5/32" CS file to go in and have found you can simply rotate it back and forth until it will just go through. Check with the pin and most will go in tight at this point and I leave it tight for fitting and blending. This procedure takes 1/2 an hour.

I use a Foredom, but a Dremel will work as well, I use a cone shaped carbide burr and start the blending process. I find using exam gloves is pretty good at keeping the splinters free of my hands I also wear a leather apron so I can hold the frame solid against my chest and go at it, keep it moving and you get a sort of a wipe it off, wipe it off, action. Once roughed in and happy cause I'm done with the splinters I blow myself and the parts off. LOL

Then it's file time and use a #2 Swiss pattern flat and 1/2 round, then wrap various grits of paper around the file and keep at it, Once I think I've got the marks out and have finished with 320 cloth, I polish with a felt bob and emery cake, this will show up any marks that where covered up and go back to 320 and back to the polish. Once it polishes out pretty good I bead blast and hot blue if it's CS or leave it if SS. On this one the mag well is CS and blued and I left the SS frame polished, was going to tape it off and blast but though Hey I like it.

The outer rim can also be shaped/rounded as you like.

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Old 04-13-2012, 01:27 PM
DM-SC DM-SC is offline
Join Date: Mar 2000
Location: SC
Posts: 594
I've never seen a nicer looking installation of a magwell! That rounded profile is truly art!
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Old 04-13-2012, 02:20 PM
adurning adurning is offline
Join Date: Feb 2012
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You can order magwells from S&A without the pin hole drilled. I true both surfaces, fit the msh in and clamp it, then drill the hole.
No longer taking work.
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Old 04-13-2012, 05:51 PM
CurtisB CurtisB is offline
Join Date: Oct 2003
Location: Utah
Posts: 472
Originally Posted by adurning View Post
You can order magwells from S&A without the pin hole drilled. I true both surfaces, fit the msh in and clamp it, then drill the hole.
Yes, that is a great way to get a flush fit. Order it from S&A without the hole then drill the hole yourself.
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