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?
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!
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 |