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PostPosted: Wed May 08, 2019 2:13 pm 
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Always lusted after a Pachmayr Combat Special. I wish someone made a modern version of the beavertail. If so I would build a tribute gun in that style.

Is the button head on the slide stop indicative of a new larger pin installed on the factory Colt lever? One piece pressed in or two pieces threaded together (pin and cap)?


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PostPosted: Thu May 09, 2019 9:38 am 
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BBBBill wrote:
Always lusted after a Pachmayr Combat Special. I wish someone made a modern version of the beavertail. If so I would build a tribute gun in that style.

Is the button head on the slide stop indicative of a new larger pin installed on the factory Colt lever? One piece pressed in or two pieces threaded together (pin and cap)?


The slide stop pin is pressed in to the lever and replaceable.

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PostPosted: Thu May 09, 2019 9:38 am 
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Photo of the day... slide top work.

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PostPosted: Fri May 10, 2019 8:42 am 
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Photo of the day... finished barrel crown, this should do.

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PostPosted: Mon May 13, 2019 8:24 am 
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Photo of the day... a couple of bushing tweaks.

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PostPosted: Tue May 14, 2019 8:58 am 
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Photo of the day... still more shaping and blending to come but this off to a decent start.

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PostPosted: Wed May 15, 2019 9:18 am 
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Photo of the day... my desire to measure knows no bounds. :lol:

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PostPosted: Thu May 16, 2019 10:21 am 
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Photo of the day... more of a shooting related vs. shop related photo. Morning range session with friends as they practice for Bianchi Cup also served as a good opportunity to confirm sights and test a few changes I’ve made to this 9mm Commander. I was even able to squeeze out a 454 on the practical… Bianchi is no joke, if you want a skills test that's it.

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PostPosted: Thu May 16, 2019 7:23 pm 
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Jason Burton wrote:
… my desire to measure knows no bounds. :lol:


What are you measuring? Radial lug slot depth?


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PostPosted: Sat May 18, 2019 9:21 am 
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BBBBill wrote:
Jason Burton wrote:
… my desire to measure knows no bounds. :lol:


What are you measuring? Radial lug slot depth?


Measuring/plotting their locations.

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PostPosted: Mon May 20, 2019 8:19 am 
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Photo of the day... a bit more measuring…

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Also had a chance this weekend to play with the recently introduced SI Magwell from my pal Stan Chen (Stan Chen Customs). This will be a perfect addition to the 9mm RO Operator that I am setting up for IDPA ESP. The machining and quality of this part are second to none and exactly what we’ve come to expect from Stan. These photos show the part dropped onto my RO Operator, the fit and interior contours of the SI Magwell match the existing shape exceptionally well. Now all I have to do is find the time to checker the gun, change the safeties, and swap out the sights... but at least the mag-well is taken care of.

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PostPosted: Tue May 21, 2019 8:00 am 
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Photo of the day... getting ready to machine the frame rails and a few things that make measuring and machining a bit easier.

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PostPosted: Wed May 22, 2019 11:41 am 
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Photo of the day… but I wanted .758” :lol:

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PostPosted: Wed May 22, 2019 8:18 pm 
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Amazingly consistent! That degree of consistency suggests a surface grinder, but I've never seen one in your photos nor mention in your posts.


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PostPosted: Thu May 23, 2019 11:15 am 
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Shhhh! It's a secret. Once everyone knows, they'll want one too.


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PostPosted: Fri May 24, 2019 8:03 am 
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BBBBill wrote:
Amazingly consistent! That degree of consistency suggests a surface grinder, but I've never seen one in your photos nor mention in your posts.


Cut on my mill... probably the razor sharp cutters helped. :mrgreen:

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PostPosted: Fri May 24, 2019 8:08 am 
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Photo of the day... before and after with much more shaping and blending to come.

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PostPosted: Sat May 25, 2019 9:13 am 
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Jason Burton wrote:
BBBBill wrote:
Amazingly consistent! That degree of consistency suggests a surface grinder, but I've never seen one in your photos nor mention in your posts.


Cut on my mill... probably the razor sharp cutters helped. :mrgreen:


Yep. That and an extremely rigid setup.


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PostPosted: Mon May 27, 2019 8:42 am 
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Photo of the day… back end blended, beavertail shaped, ready to machine the slide for sights.

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PostPosted: Tue May 28, 2019 7:48 am 
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Photo of the day… machining the rear sight dovetail.

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PostPosted: Wed May 29, 2019 7:19 am 
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Photo of the day... I've never found sight pushers to work well with sights that are fit tight enough in the dovetail to not rely on a setscrew alone to secure the sight… but a big hammer and hardwood punch gets it done. :mrgreen:

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PostPosted: Thu May 30, 2019 7:27 am 
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Photo of the day... bore sighting to get the approximate front sight height and a bit of thumb safety before and after.

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PostPosted: Thu May 30, 2019 10:54 am 
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Ohhh, now that's interesting. Set the bore gauge to be dead level,a nd with enough zeroed samples, you can get a very good idea of setting sights to the correct height. A hat's off, and thanks.


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PostPosted: Fri May 31, 2019 8:30 am 
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Patrick Sweeney wrote:
Ohhh, now that's interesting. Set the bore gauge to be dead level,a nd with enough zeroed samples, you can get a very good idea of setting sights to the correct height. A hat's off, and thanks.


Yup... this method gives me an approximate measurement to work from. I leave the sight about .004" or .005" tall and still go shoot every gun to make sure it's actually zeroed. As far as I'm concerned the only proof is the shooting.

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PostPosted: Fri May 31, 2019 8:34 am 
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Photo of the day... 30lpi hand-cut front strap checkering from start to finish. I still love to checker!

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PostPosted: Mon Jun 03, 2019 8:37 am 
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Photo of the day… hand checkering the mainspring housing at 30lpi and blending it to the frame.

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PostPosted: Tue Jun 04, 2019 8:52 am 
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Photo of the day… shooting results show the feed path and also that the proof is always in the shooting. This is 5 rounds from standing at 20 yards with the point of aim being the bottom of the black circle. A correct zero will have the rounds impacting directly on top of the front sight. This is an easy thing to correct but these 5 shots show that, even though this gun was bore sighted before heading to the range, the only way to confirm an actual zero is by pressing the trigger.

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PostPosted: Wed Jun 05, 2019 8:16 am 
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Photo of the day… before and after, dust-cover modifications on the frame and matching ball-cuts on the slide.

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PostPosted: Thu Jun 06, 2019 9:56 am 
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Photo of the day… before and after, 40lpi rear slide serrations.

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PostPosted: Mon Jun 10, 2019 8:35 am 
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Photo of the day... making the gold bead insert for a front sight.

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