I would add a good 400fps to at least the ttsx models to get actual expansion from what I have seen online and in the real world.30 cal Barnes minimum FPS for expansion, according to Barnes :
.308
150TTSX – 1800 FPS
165TTSX - 1800 FPS
168TTSX - 1500 FPS
175LRX – 1600 FPS
180TTSX - 1500 FPS
190LRX - 1500 FPS
200 LRX – 1600 FPS
208 LRX - 1700 fps
212 LRX Bore Rider - 1600 fps




























