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Joined: Tue Feb 22, 2011 11:29 pm
Posts: 647
Location: Mass.

Post Posted: Mon Dec 19, 2011 8:50 pm 
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This is a SW 1911 in for lots of upgrades. The owner wanted a "BoMar" style rear sight. SW uses a unique rear sight dovetail for a Novak fixed sight. First I milled off the existing dovetail and made a flat the length of the sight. SW uses a modified FP safety which is held in place under the rear sight.
Image

Next I cut the new Kensight rear sight, eliminating the dovetail, to the shape of a block. At first I was going to just screw the sight in place, but Jerry Keefer had the idea of a keyway which would give the sight more strength under heavy use.
Image
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Two 4-40 stainless screws were fit to the slide, the tapped holes enter the FP tunnel, so the screws had to be cut for clearance. Once the blade is down, the screws will not be visible.

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After all the mill work was done the slide was dehorned and bead blasted.
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The finished sight. The safety plunger will be modified or a new shorter one will be made on the lathe to allow the safety to stay original.

Image

One problem at a time.

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Greg Derr
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Joined: Thu Apr 14, 2011 5:46 pm
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Location: Arkansas

Post Posted: Mon Dec 19, 2011 10:19 pm 
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Nicely executed Greg.

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Dwayne
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Joined: Tue Mar 01, 2011 6:05 pm
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Location: East Tennessee

Post Posted: Tue Dec 20, 2011 1:44 am 
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That's slicker than owl snot on a door knob! I may just have to steal this idea for a future build.

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Post Posted: Tue Dec 20, 2011 3:15 am 
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I like this! Beautiful work.

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Joined: Fri Feb 25, 2011 1:38 am
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Location: New Mexico

Post Posted: Tue Dec 20, 2011 4:18 am 
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Outstanding Greg.
I have been using Wilsons in new installs and your idea is great for retrofits with other brands.

I absolutely hate having dovetails left unfilled.


CW

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Joined: Tue Apr 19, 2011 10:45 pm
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Location: the Sandhills of NC

Post Posted: Tue Dec 20, 2011 4:42 am 
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I am digging this also. Don't have to worry about any gaps doing it this way.

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Post Posted: Tue Dec 20, 2011 2:20 pm 
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Greg Derr wrote:
Image


Nice work Greg! Instead of modifying the firing pin safety plunger, would it be possible to mill a relief in your sight "lug" that would match the upper left corner of your slide recess instead of modifying the plunger or would that remove too much of your lug?

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Joined: Tue Mar 01, 2011 2:45 pm
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Location: Florida and Alabama

Post Posted: Tue Dec 20, 2011 2:27 pm 
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Dave B wrote:
Instead of modifying the firing pin safety plunger, would it be possible to mill a relief in your sight "lug" that would match the upper left corner of your slide recess instead of modifying the plunger or would that remove too much of your lug?


I think I recall doing that to a Wichita install on an S80 Colt about 25 years ago.

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Joined: Sat Mar 12, 2011 5:16 am
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Location: Eastern Iowa

Post Posted: Tue Dec 20, 2011 3:21 pm 
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Greg.......WOW....Great work!!

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Joined: Tue Feb 22, 2011 11:29 pm
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Location: Mass.

Post Posted: Tue Dec 20, 2011 9:52 pm 
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Dave B wrote:
Nice work Greg! Instead of modifying the firing pin safety plunger, would it be possible to mill a relief in your sight "lug" that would match the upper left corner of your slide recess instead of modifying the plunger or would that remove too much of your lug?


That sounds like a good idea!

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Greg Derr
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