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AO Bridgeport Thompson Model 1928 AC


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#1 Robert Henley

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Posted 22 August 2018 - 04:40 PM

After almost a one year wait for my stamp, I got my AO Bridgeport Thompson Model 1928 AC.  I understand it came out of a PD which obtained it in, if I recall correctly, 1941 or 42.  I'll do a FOIA request now that I have the gun.  No PD markings, and smooth as silk.  The trigger frame matches the receiver.

 

Robert

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#2 Petroleum 1

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Posted 22 August 2018 - 05:40 PM

Congrats Robert you have a nice piece of history there!! :)


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#3 huggytree

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Posted 22 August 2018 - 08:12 PM

Congrats...dont see 1928ac's for sale very often

 

do you believe the finish to be original? (i notice the rivets on the rear sight are not silver)...the type of sight is most likely correct for your year

 

i prefer the police guns as they are often matching # and original finish....

 

cant tell from your pics...who is the maker of your drum?  (united industries?)


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#4 TD.

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Posted 22 August 2018 - 10:12 PM

Robert Henley,

Congratulations on your purchase. If the serial number is No. A.O. 44002, I know the department that originally purchased it. A FOIA request is a very smart move. I suspect this 1928AC Thompson was originally purchased in July 1943. That said, the FOIA response will provide that information. 

 

I am interested in the markings on the buffer pilot. Can you let us know the manufacturer of that part?

 

All good stuff!


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#5 Uncle Dudley

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Posted 23 August 2018 - 06:07 AM

Very Nice!!

 

U D


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#6 jim c 351

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Posted 23 August 2018 - 06:50 AM

Very nice chopper. Too bad the transfer took soooooooooo long.

Jim C


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#7 Bridgeport28A1

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Posted 23 August 2018 - 07:45 AM

Congratulations on your AOC "Bridgeport".
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#8 Merry Ploughboy

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Posted 23 August 2018 - 07:59 AM

Nice SMG.  Have fun!


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#9 Motorcar

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Posted 23 August 2018 - 08:21 AM

Congrats! You will never regret it. AC's are a cool piece of history.


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#10 Adg105200

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Posted 23 August 2018 - 11:36 AM

Very nice indeed!

Andrew
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#11 mnshooter

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Posted 23 August 2018 - 11:37 AM

Congratulations on your AOC "Bridgeport".

 

Nice AOC bolt and actuator, too.


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#12 Robert Henley

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Posted 23 August 2018 - 03:36 PM

Congrats...dont see 1928ac's for sale very often

 

do you believe the finish to be original? (i notice the rivets on the rear sight are not silver)...the type of sight is most likely correct for your year

 

i prefer the police guns as they are often matching # and original finish....

 

cant tell from your pics...who is the maker of your drum?  (united industries?)

 

Huggy,

 

It looks like the original finish to me, but I'm not sure.  I've told the story before of me sending my 6" Colt Python to the Colt Custom Gun Shop to be refinished about 20 or 25 years or so ago, and to this day I can't tell it's been refinished.  Someone more capable than me needs to look at it and answer that question.  The pictures, however, don't really do it justice.  I used my three year old Motorola phone in not the best light conditions.  I probably need to get my Canon camera out and take some high quality pictures.   It's a beautiful gun IMO.

 

The "L" drum is a United Specialties drum which I bought while waiting for the transfer.  I researched it in The Ultimate Thompson and, if I recall correctly, it's a 4th generation model.

 

Robert


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#13 huggytree

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Posted 23 August 2018 - 05:05 PM

the #1 thing i look at is the rivets on the rear sight...if they arent silver i think its refinished....ive yet to see an original gun w/o silver rear sight rivets....

 

the finish wear on your gun looks somewhat correct...its been used......maybe someone tossed on a new rear sight at some point and did blued rivets....does the rear sight color match the rest of the gun? are the rivets the same color as the rear sight(like it was finished together)

 

its a nice gun no matter what...guys here can never decide on whats original or not unless its park'd.....

 

enjoy!


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#14 TD.

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Posted 23 August 2018 - 09:55 PM

Rivets?  Really. How many Thompson guns have you examined without "silver" rivets where you can document a rear sight replacement?  

 

Question: Has the rear sight been replaced on the below Thompson?

 

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#15 Petroleum 1

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Posted 24 August 2018 - 06:46 AM

TD i think what huggy is saying is if the rear sight rivets have bluing on them the gun is typically been refinished. If they are white metal the gun has its original finish.
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#16 gijive

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Posted 24 August 2018 - 07:22 AM

Petroleum 1, on 24 Aug 2018 - 06:51, said:
TD i think what huggy is saying is if the rear sight rivets have bluing on them the gun is typically been refinished. If they are white metal the gun has its original finish.


Petroleum,

Right, and what TD is saying is that all Thompson guns with original finish do not have silver rivets. Not sure where Huggytree is getting his information.

The best way to tell on Robert Henley's gun would be to check the area where the US is ground off on the 1928AC variation. Quite often they left this area bare metal and didn't touch it up with any finish. Most have developed a brown patina in this area where the original finish was removed. The other area to check would be where the C is stamped where the 1 (in A1) was removed.

Edited by gijive, 24 August 2018 - 08:16 AM.

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#17 huggytree

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Posted 24 August 2018 - 12:09 PM

this was a discussion a year or so ago.......its the first place i look when judging an original finish gun....I am not close to the expert you are Tom.......ill try to find that link where it was discussed for pages


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#18 NFA amnesty

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Posted 24 August 2018 - 01:48 PM

Nice purchase, have fun with your new typewriter.


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#19 DZelenka

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Posted 24 August 2018 - 03:59 PM

I think that Huggy has confused the fact that my original finish gun has bright rivets. I have seen far more with blue colored rivets. The way I tell with an AO gun is the shape of the rivet head. It appears to me that AO built guns have rivets with dimples in the center of the head. Savage guns have flat headed rivets.

 

Dan


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#20 Robert Henley

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Posted 24 August 2018 - 05:26 PM

I went to the range this morning, and put a couple of hundred rounds through it and it ran absolutely flawlessly--smooth as silk.

 

Let's see if this YouTube video is visible:

 

https://youtu.be/BlhQ0-5ZYrA

 

This is a fully loaded "L" drum, which worked flawlessly.

 

One thing that surprised me was I ran a magazine through it on semi-auto just to test it, and it was unbelievably accurate.  I literally was able to hit the small numbers on the target at will.  A bullseye every shot.  And again flawless performance.

 

I can see why the troops like this gun.

 

Robert


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