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Search: Posts Made By: megafiddle
Forum: Gunsmithing & Troubleshooting 09-15-2020, 11:52 PM
Replies: 4
Views: 180
Posted By megafiddle
If there is any taper, it will be in the sight...

If there is any taper, it will be in the sight dovetail itself, not the slide.

But you may find that the slide dovetail outer edges have a light chamfer on one side. This prevents shaving metal...
Forum: Gunsmithing & Troubleshooting 09-15-2020, 10:27 PM
Replies: 4
Views: 397
Posted By megafiddle
Yes. Was measured using a CAD model and confirmed...

Yes. Was measured using a CAD model and confirmed with geometry.

Note that in the illustration, the straight bore has been reduced to zero in length. The barrel is basically being confined by two...
Forum: Gunsmithing & Troubleshooting 09-14-2020, 02:11 AM
Replies: 21
Views: 726
Posted By megafiddle
Can you get a photo of the VIS? It looks...

Can you get a photo of the VIS?

It looks like there may be a ridge at either side of the VIS where all the impact was being concentrated.

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Forum: Gunsmithing & Troubleshooting 09-11-2020, 11:32 PM
Replies: 4
Views: 397
Posted By megafiddle
A diagram or description of the actual EGW bore...

A diagram or description of the actual EGW bore would be helpful.

Anyway, this is one way to do it:

https://forums.1911forum.com/attachment.php?attachmentid=594218&stc=1&d=1599883679
...
Forum: Gunsmithing & Troubleshooting 09-10-2020, 01:00 AM
Replies: 15
Views: 667
Posted By megafiddle
The Briley bushing uses a separate sleeve fitted...

The Briley bushing uses a separate sleeve fitted to a spherical recess in the bushing. The sleeve swivels within the bushing and maintains close contact with the barrel over the full inner surface of...
Forum: General Gun Discussion 09-08-2020, 10:40 PM
Replies: 15
Views: 663
Posted By megafiddle
[QUOTE=RexipusRex;13268786]I haven't looked into...

[QUOTE=RexipusRex;13268786]I haven't looked into the conductivity and magnetic permeability of lead, but it's likely that a jacketed bullet could be slowed this way, since it's likely that the eddy...
Forum: Gunsmithing & Troubleshooting 09-08-2020, 04:51 AM
Replies: 5
Views: 448
Posted By megafiddle
I use cold blue a lot (mainly Oxpho-Blue) and...

I use cold blue a lot (mainly Oxpho-Blue) and colors range from black on matte surfaces, to dark blue and dark amber on polished surfaces. Other cold blues may have a different color, and color also...
Forum: Gunsmithing & Troubleshooting 09-08-2020, 03:35 AM
Replies: 12
Views: 551
Posted By megafiddle
The shoulder on the bottom of the grip screw...

The shoulder on the bottom of the grip screw bushing is typically radiused (not square). So a 118 degree standard drill bit of the correct diameter could work equally well for the counterbore on the...
Forum: General Gun Discussion 09-07-2020, 08:18 PM
Replies: 15
Views: 663
Posted By megafiddle
Magnets will affect any nonmagnetic conductor, if...

Magnets will affect any nonmagnetic conductor, if the metal is in motion.

A magnet will fall very slowly through a heavy wall copper or aluminum tube.

Some of the old speedometers had a...
Forum: Gunsmithing & Troubleshooting 09-07-2020, 12:15 AM
Replies: 8
Views: 529
Posted By megafiddle
You should not have to modify any parts of the...

You should not have to modify any parts of the gun to replace the trigger, so it can be easily restored to factory condition, if warranty service is required.

Aftermarket triggers will very likely...
Forum: Gunsmithing & Troubleshooting 09-06-2020, 08:09 PM
Replies: 7
Views: 489
Posted By megafiddle
The retaining pin should not have fallen out. It...

The retaining pin should not have fallen out. It should be a press fit in the barrel underlug. Check that the pin is a solid S&W pin with rounded ends. If the pin is worn it needs to be replaced. If...
Forum: Gunsmithing & Troubleshooting 09-05-2020, 08:13 PM
Replies: 20
Views: 680
Posted By megafiddle
As trigger bounce, that makes more sense then. ...

As trigger bounce, that makes more sense then.

Many also claim that that shock of the slide stopping can simply jar the sear out of engagement. In that case, it would be independent of the trigger...
Forum: Gunsmithing & Troubleshooting 09-04-2020, 11:42 PM
Replies: 20
Views: 680
Posted By megafiddle
As soon as the slide begins to cycle, the...

As soon as the slide begins to cycle, the disconnector "disconnects" the hammer from the sear. The sear is free to reengage the hammer.

At the point that the side slams to a stop, there is no...
Forum: General Gun Discussion 09-04-2020, 12:31 AM
Replies: 29
Views: 566
Posted By megafiddle
The question was about a 1911. And good luck...

The question was about a 1911.

And good luck holding a handgun laser dot on target at 25 or 50 yds with adrenalin present.

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Forum: General Gun Discussion 09-04-2020, 12:02 AM
Replies: 29
Views: 566
Posted By megafiddle
What you are looking for is maximizing the point...

What you are looking for is maximizing the point blank range over the expected defensive combat range.

Defensive shootings are often reported to average about 7 yds. In that case, 7 yds might be a...
Forum: Gunsmithing & Troubleshooting 09-03-2020, 11:39 PM
Replies: 66
Views: 3,000
Posted By megafiddle
WD-40 does not cause rust, but it can fail to...

WD-40 does not cause rust, but it can fail to prevent rust if allowed to dry up. WD-40 will also leave a varnish-like film if it dries. Just keep it wet (with WD-40) if you use it.

I have white...
Forum: Parts and Accessories Bin 08-31-2020, 08:16 PM
Replies: 19
Views: 668
Posted By megafiddle
The magnets are undoubtedly neodymium based on...

The magnets are undoubtedly neodymium based on the strength.

Neodymium magnets are highly resistant to demagnetization. Alnico magnets are the type that are notorious for losing strength. The old...
Forum: Gunsmithing & Troubleshooting 08-30-2020, 06:23 PM
Replies: 8
Views: 500
Posted By megafiddle
Both shank and flute edge diameters are under the...

Both shank and flute edge diameters are under the bit's nominal stated size. This compensates for an inaccuracy in drilled holes which results in the hole diameter being slightly larger than the...
Forum: Gunsmithing & Troubleshooting 08-26-2020, 07:46 PM
Replies: 33
Views: 1,240
Posted By megafiddle
I'm pretty sure those 1911's are modified in some...

I'm pretty sure those 1911's are modified in some way.

Straight blowback guns, and gas impingement guns (AR15 and M16) will use a barrel obstruction of some type to increase gas pressure.

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Forum: General Gun Discussion 08-26-2020, 07:03 PM
Replies: 17
Views: 764
Posted By megafiddle
Isn't it more important that the front and rear...

Isn't it more important that the front and rear sights remain aligned?

How do you tell that with a penny resting on one of them?

I use the wall drill for practice, aiming at a blank wall, no...
Forum: Springfield Armory 08-22-2020, 12:20 AM
Replies: 11
Views: 436
Posted By megafiddle
Is that the grip safety in the photo? What...

Is that the grip safety in the photo?

What grip safety is that?

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Forum: Gunsmithing & Troubleshooting 08-19-2020, 04:32 AM
Replies: 3
Views: 308
Posted By megafiddle
Nice work! I bought one of these from...

Nice work!

I bought one of these from Tractor Supply ($119):


592106


I replaced the legs and trough with a flat bottom, so it would be at the correct height sitting on the workbench. It...
Forum: Tactics & Personal Defense 08-18-2020, 09:09 AM
Replies: 125
Views: 2,555
Posted By megafiddle
You would certainly have a fighting chance in...

You would certainly have a fighting chance in that case. Most of us just have a handgun and maybe an extra magazine.

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Forum: Tactics & Personal Defense 08-18-2020, 08:58 AM
Replies: 125
Views: 2,555
Posted By megafiddle
I agree with that. They certainly are cowards,...

I agree with that. They certainly are cowards, but they regroup en mass once the threat to them is gone.

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Forum: Tactics & Personal Defense 08-18-2020, 08:37 AM
Replies: 125
Views: 2,555
Posted By megafiddle
There's no good answer to this one. What do...

There's no good answer to this one.

What do you do when your gun's empty?
And the other five hundred in the mob get you?

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Showing results 1 to 25 of 479

 
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