I pulled the tips from a .338 280 grain LRX and a .338 210 grain TTSX and the INSIDE diameter of the meplat measured .95 for both. The HUGE meplat inside diameter is the main reason i think the tipped versions of the X bullet is greatly improved over the tsx and original x bullet with their tiny meplat holes.Bullet bumper, in terms of bullet jacket, or composition of monometal bullets is there a way to measure hardness? If so is there a level of "hardness" you prefer? The Barnes X bullets were "soft" and fouled badly at times like you said. After that some got "harder" and did not expand well. We thought at one time giving them a bit more hollow point might give more reliable expansion. So we chucked them in a lathe and drilled them out a bit. From the same box came those that the copper just peeled easily from, and those we could not cut at all. One of the younger members of the group shot a few deer with them, the "soft" ones had large wound channels the "hard" ones had pass throughs. These were 338 bullets. We "inferred" hardness was the bigger issue than the hollow point. From some of the younger guys Tikkamike, and Riley Barnes may have fixed this issue. The question is if Riley was to experiment with hardness/annealing is there a way to measure it vs backtracking from the results? Thanks for your experience!
I think based on my experience with Barnes so far thy have fixed the hardness problem.
One more thing, when i toured their factory, they said before the tips were installed they gave the bullets a light annealing to relieve the work hardening of the copper going through the multiple forming dies, I think it also makes the hardness more consistant bullet to bullet, but they keep them hard enough that fouling isnt too much of a problem.
so its my thinking that if i anneal before the bearing surface the copper around the expansion cavity will be soft enough to expand at ridiculously low velocities.
Now all i have to do is figure out how to remove the tip without damaging it and to put it back in straight.