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MoranoGrande (May 4th 2024)

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Re: 308 Winchester & 110 grain Mono #19427954 May 3rd a 03:04 PM
by BobbyTomek
BobbyTomek	Originally Posted by southtexas Okay, what IS the difference in construction of the TAC-TX vs the TTSX? I'll use the 110 and 120 grain Tac-TX in .30 caliber as examples. They were designed with .300 BO muzzle velocities in mind. They have a more cavernous hollow point and are specially-annealed, allowing them to expand significantly even down to 1400 fps. You'll still see expansion as low as 1300 fps. Barnes also gave these a different geometry so that the BC doesn't suffer. I can assure you that these Tac-TX bullets will expand at velocities much lower than what the comparable 110 grain TTSX will do -- and they will generally expand to a much wider frontal diameter given equal impact velocities. Tac-TX vs TTSX at similar impact speeds: These are .30 cal Tac-TX and 6.5mm 100 grain Tipped TSX bullets. Somewhere I have a more appropriate .30 cal comparison photo, and if I locate it, I'll post it. But the results are quite similar. Here's a 120 grain Tac-TX that had an impact speed of right at 2800 fps:

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