1903A3 Question

RABIDWolf1 · Jun 3, 2025

Can not figure out where i can ask a question, but i have posted here one before, so will try it here?? I recently purchased a Remington 1903A3 in correct military issue. my question is- at the rear of receiver on top of stock, there is a Threaded hole... like to screw down into stock. But it is a machine thread... what is this hole, and i am pretty sure i dont put anything into it.. I appreciate all your comments to my query.. Thanks in advance, T

Culina · Jun 4, 2025

Are you talking about the hole for the lower bottom plate/trigger guard screw?

John in Yuma · Jun 4, 2025

The hole in the first picture is where the screw in the second picture screws into.

SnidelyWhiplash · Jun 4, 2025

At a certain point they simply drilled the threaded hole completely through to save production time rather than try and stop it at a specific point.

gwpercle · Jun 4, 2025

Do Post #4 and post #5 answer your question ...
I have my 03-A3 handy if that isn't the right hole .
Gary

SnidelyWhiplash · Jun 4, 2025

I forgot on my previous post...another reason...maybe the more important reason...was that it made it possible to inventory only one machine screw for both front and back trigger guard/magazine retention rather than two...a long and a short. There was no reason to have the rear screw go up flush with the rear tang of the receiver.

It was a wartime expedient...get them built and off to war.

RABIDWolf1 · Jun 4, 2025

John in Yuma said:
The hole in the first picture is where the screw in the second picture screws into.

so the rear trigger guard screw goes into the hole at rear of receiver. Gotcha thank you sir John..

2152hq · Jun 4, 2025

SnidelyWhiplash said:
I forgot on my previous post...another reason...maybe the more important reason...was that it made it possible to inventory only one machine screw for both front and back trigger guard/magazine retention rather than two...a long and a short. There was no reason to have the rear screw go up flush with the rear tang of the receiver.

It was a wartime expedient...get them built and off to war.

The two screws are different lengths.
Long one at the rear and short one at the front.
Same idea on the 1903 (and the Mausers, etc).
FWIW, the 1903 used the same action screws as the US Krag.

JimFr · Jun 5, 2025

Remington had three “versions” of that tapped hole . . .
At first, when making the M1903, the hole was “blind” as their equipment was from the old Rock Island Armory.
The second version was drilled completely through, but only tapped part way from the bottom.
Finally, it was drilled and tapped completely through.

When some people made sporters, sometimes this screw hole was filled from the top to make for a better looking top tang.

1903A3 Question

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