Adding a comp to a 1911 barrel without buying a threaded barrel

[AllenM]

This is not really a DIY thing unless you own a lathe.... But I am doing a carry comp build and I thought I would post pics. I actually practiced videoing it but they are still uploading to you tube. If they allow posting and they come out ok I may attach them later.

Starting out with a nice Springfield Champion in 45< I will be added an EGW carry comp to the existing barrel






This pistol has a bull barrel already but this can be done to a bushing barrel and the cone comp will act as a Bull barrel once it is installed.

After figuring out how far back to turn the barrel down and thread so that there would not be a big seam where the comp ends at I set it up and turned it down to .575" and threaded 40 TPI.

The barrel will get blended and re crowned after everything is fit









Now that that is on the area up against the comp needs turned down to fit the slide. it is over sized by about .075"

This pic shows a prelim fit and gets me started toward final fitting and indexing the comp



But before duing that the front of the slide needs a 1 degree angle cut on it so when the barrel tips up into battery the comp is flush with the slide.



Some hand stone work to fine tune the indexing



Turn and blend the barrel and comp



after clearing the bottom of the comp for the guide rod I had a functioning pistol again

Now just to blend and shape the outside of the comp and slide for looks







Feel free to critique my videos

[video=youtube_share;5a6lov5oKcU]https://youtu.be/5a6lov5oKcU[/video]


[video=youtube_share;N5n8-RTw6qk]https://youtu.be/N5n8-RTw6qk[/video]

[video=youtube_share;l3B3AQEUL0Q]https://youtu.be/l3B3AQEUL0Q[/video]

[video=youtube_share;ePOxAmsDt3o]https://youtu.be/ePOxAmsDt3o[/video]

[video=youtube_share;ITBmOL6TmAc]https://youtu.be/ITBmOL6TmAc[/video]

[video=youtube_share;KEZnhFIhGRY]https://youtu.be/KEZnhFIhGRY[/video]

[video=youtube_share;uKY39YNN9AA]https://youtu.be/uKY39YNN9AA[/video]

 

[churchmouse]

I think that gun looks very familiar.....
Thanks for posting this up.

 

[AllenM]

I think that gun looks very familiar.....
Thanks for posting this up.

I figured a few ppl might recognize this gun

 

[churchmouse]

I figured a few ppl might recognize this gun

They should...

PM sent.

 

[hANNAbONE]

masterful.!! I mean like WOW that is flat awesome.!!

 

[rhino]

That was really fun to watch!

Allen . . . comparing the total cost, would adding a comp this way cost more or less than fitting a new barrel that is already threaded or even a barrel that already has a comp?

 

[DocIndy]

Sweet work on that one. Love my carry comp 45. Only downside is cleaning the comp

 

[churchmouse]

Sweet work on that one. Love my carry comp 45. Only downside is cleaning the comp

I blame you.......and Allen, of course.

 

[DocIndy]

As need to shoot yours and mine side by side to fully evaluate the different designs. This has me thinking of a 38 Super carry comp... maybe the perfect project for the 2011 frame sitting in the safe.

 

[churchmouse]

As need to shoot yours and mine side by side to fully evaluate the different designs. This has me thinking of a 38 Super carry comp... maybe the perfect project for the 2011 frame sitting in the safe.

There is something wrong with us you know. Well, according to some folks anyway.

.38 supper is a serious round.

 

[rhino]

As need to shoot yours and mine side by side to fully evaluate the different designs. This has me thinking of a 38 Super carry comp... maybe the perfect project for the 2011 frame sitting in the safe.

A comped .38 super built on a Springfield Champion = Nash Bridges' gun (built by Terry Tussey).

 

[AllenM]

As need to shoot yours and mine side by side to fully evaluate the different designs. This has me thinking of a 38 Super carry comp... maybe the perfect project for the 2011 frame sitting in the safe.

I like that idea

 

[AllenM]

That was really fun to watch!

Allen . . . comparing the total cost, would adding a comp this way cost more or less than fitting a new barrel that is already threaded or even a barrel that already has a comp?

In reality cost is pretty close if you buy an already comped barrel but without the ability to adjust comp length fit up tolerances would likely be greater.
Buying a threaded barrel plus a comp plus fitting would cost significantly more.

However some guns would benefit from replacing the barrel. Kind of have to take it case by case.

 

[churchmouse]

In reality cost is pretty close if you buy an already comped barrel but without the ability to adjust comp length fit up tolerances would likely be greater.
Buying a threaded barrel plus a comp plus fitting would cost significantly more.

However some guns would benefit from replacing the barrel. Kind of have to take it case by case.

Having been down both roads with the alleged "Drop" in comped barrels I like having one custom fit.
How else can I get a gun project in Ingo....

Seriously, the drop ins do work but they require fitment most times. Of the 6 or 8 I have had only 1 came close to dropping in.

 

[drillsgt]

You recently got a surface grinder didn't you? That'll make quick work for the sides of the comp.

 

[AllenM]

You recently got a surface grinder didn't you? That'll make quick work for the sides of the comp.

yep. deleting roll marks on it too

 

[Ricnzak]

yep. deleting roll marks on it too

Didn’t you have a thread on how you do that? Next years project is getting you to go through a TLE II, including some body work to clean it up.

 

[AllenM]

Didn’t you have a thread on how you do that? Next years project is getting you to go through a TLE II, including some body work to clean it up.

sounds like a plan