Is The 6mm TCU cartridge...aka (6.7x44.5SRmm ~ Thompson/Center Ugalde.)
the same as the
6x45mm ...aka 6mm-223.
are these 2 the same?
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Is The 6mm TCU cartridge...aka (6.7x44.5SRmm ~ Thompson/Center Ugalde.)
the same as the
6x45mm ...aka 6mm-223.
are these 2 the same?
No, not the same. The 6x45MM retains the same shoulder angle as the parent case. The 6MM TCU has a fireformed shoulder.
thanks!