By A Mystery Man Writer
Many of our Forum members shoot an improved 6mmBR cartridge. This might be a 30°-shoulder 6mm BRX, or a 40°-shoulder 6mm Dasher, or the 6mm BRDX, which is very similar to the Dasher, but with a slightly longer neck.
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Found on a road in the UK. Looks like a bullet casing but the back is completely flat (rimfire maybe?). The front has a hole (not seen in this pic). Exactly the
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