M1 Garand questions

[P-07ShortLee]

Whats the difference between a flat and an arched lower band on an M1 Garand?

And who made an M1 Garand trigger guard with no markings on it?

Information

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[browningautorifle]

Flat is later and arched is middle manufacture. Couldn't say about the trigger group.

[Neal Myers]

Arched vs flat isn't really descriptive enough to identify any lower band. This characteristic describes the top & bottom of the band when viewed in profile; i.e., arched will be rounded (some with vertical channel) & flat will be, well, flat.

SA, IHC, & HRA made trigger guards with no markings (that is, all STAMPED trigger guards). WRA stamped trigger guards will usually have a punch mark.

[latigo 1]

WRA never made a stamped trigger guard. All WRA trigger guards are the milled type and all have the drawing number.

[P-07ShortLee]

Forgot to mention, it is a milled guard, no markings except what looks like an 'R' inside the actual guard bow.

Thanks

[latigo 1]

Forgot to mention, it is a milled guard, no markings except what looks like an 'R' inside the actual guard bow.

Thanks

That is an SA trigger guard.

[P-07ShortLee]

Do you know what year it would have been used?

[latigo 1]

Used from December 1941 to approximately June 1944.