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- Tue Mar 11, 2025 5:09 pm
- Forum: RR / Post - 1898
- Topic: Remington 40X .22 barrel marking
- Replies: 1
- Views: 1651
Remington 40X .22 barrel marking
On this Remington 40X .22 standard barrel, what are the markings to the right of the rep proof mark? They look like inverted keyholes.