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Thread: help to identify!

  1. 02-25-2023, 08:33 AM #1
    mozeppa
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    help to identify!

    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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  2. 02-25-2023, 09:47 AM #2
    Dusty Bannister
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    No, not the same. The 6x45MM retains the same shoulder angle as the parent case. The 6MM TCU has a fireformed shoulder.
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  3. 02-25-2023, 10:12 AM #3
    mozeppa
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    thanks!
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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check