5.56mm NATO Bushing

$3.00

This bushing is cut from a 5.56mm NATO case head, and drilled to fit a standard 1/4" pen mandrel. Use this on the lower end of a 5.56mm NATO pen upper barrel, and a standard slimline bushing on the other. This bushing is made of brass, which is a soft metal and it wears faster than a steel bushing. Be careful not to hit it with a chisel, or with sandpaper.

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