Any information on British modifed US M3 SMG magazine catch

[RCS]

While looking at a website about the US M3 SMG, it showed a bar tack welded across the mag catch, also stated to be a British medication. Any additional information ?

Information

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[Vincent]

It looks like a sling attachment.

IIRC, Frank Iannamico covers it in his book “The U.S. M3-3A1: Submachine Gun: The "Grease Gun".” Maybe he will chime in.

The original M3 catch was prone to inadvertent dropping of the magazine. A cover was added to correct the problem.

[RCS]

Vincent, I found information on a machnegun website, Frank Iannamico is on this website too. They call it the "British horseshoe bar" and said it was a British modification. When I was an armorer
in the US Army, I saw only the M3 SMG and none were modified with this bar welded on the receiver.

[browningautorifle]

The original M3 catch was prone to inadvertent dropping of the magazine.

That first statement is correct...

"British horseshoe bar"

And that sounds about right. It wasn't a standard US mod. The lower one was.

[Peter Laidler]

Then clearly we didn't learn much from the past because we STILL made the same mistake with the original SA80 rifles!

[David TS]

Peter, I was thinking exactly the same!

[browningautorifle]

we didn't learn much from the past

Well, they didn't ask you or it wouldn't have happened. Most time, they just quip "We'll teach them to beware of that"...

[Bruce_in_Oz]

What was that about: "History repeats: first as tragedy, then as farce"?