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Identifying Thompson Swivels


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The most common swivels out there are the milled and stamped swivels for the M1903

and M1903A3 Springfield. These swivels at a glance appear to be identical to Thompson

swivels but they are not, and they are NOT interchangeable. The Springfiled swivels are

a little bigger and will not fit in the recesses in the stock and forend. Next time you are digging

thru a box at a gun show here is the difference:

 

M1903 milled swivel on left, Thompson on right. Note that the M1903 swivel is thinner and

that it has a slight angle on the end. The Thompson swivel is thicker and has no angle or

bevel.

 

http://i51.photobucket.com/albums/f392/reconbob/IMG_6163_zpsudtagzob.jpg

 

M1903A3 stamped swivel on left - note that it is a "sandwich" made from two pieces

induction welded together. The stamped Thompson swivel on the right is one piece

pressed/formed into the necessary shape:

 

http://i51.photobucket.com/albums/f392/reconbob/IMG_6168_zpswmunqymz.jpg

 

The Thompson swivel has a notch:

 

http://i51.photobucket.com/albums/f392/reconbob/IMG_6166_zpstx11rggk.jpg

 

The M1903A3 swivel has no notch:

 

http://i51.photobucket.com/albums/f392/reconbob/IMG_6167_zpsbearsyi0.jpg

 

 

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http://www.brpguns.com/swivel-sling-mk-i/

I see that some of the British WW2-issued Thompsons with vertical front grips used the offset Enfield rifle swivel on the right side.

This company, BRP, has the original swivels used, very inexpensive, so I got a couple sets. The special wood screws are available too.....Phil

7_n4J__47802_1421425728_1280_1280.jpg

Edited by anjong-ni
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Here is some photos of offset Enfield swivels on a Colt Thompson, including

the special horizontal grip.

Darryl

 

Navy1.jpg

Navy3.jpg

Navy7.jpg

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  • 1 year later...

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