M1 Garand Armory

Rear Sights

M1 Garand Rear Sights

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SA Rear Sight Usage

Rear Sight Short Pinion Flush Nut
Checkered Windage/ Checkered Elevation
Used from start of production to 200,000.

Rear Sight Short Pinion Flush Nut
Knurled Windage/ Checkered Elevation
Used from about s/n 200,000 to 500,000.

Rear Sight Short Pinion Rounded Lock Bar
Knurled Windage/ Checkered Elevation
Used from about s/n 500,000 to 1,009,000.

Rear Sight Long Pinion Rounded Lock Bar
Knurled Windage/ Knurled Elevation
Used from about s/n 1,009,000 to 2,700,000.

Rear Sight Long Pinion Square Lock Bar
Knurled Windage/ Knurled Elevation
Used from about s/n 2,700,000 to 3,900,000.

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Picture above by D. Shapiro