50lb Samick Sage drawn to just a hair over 27" Arrows have a 50gr insert with 125gr tips. Total length is 28.25" (IIRC, I don't have a ruler handy) Tuning seems good as bareshafts and fletched group together out to any distance I am willing to shoot. My aim still leaves something to be desired, but the groups are decent.
The first arrow break was legit. Sideways (early bow tuning) into a wooden post... oops.
2 were low shots into the ground. Soft ground with grass. Might have hit a stick, no rocks in the yard to speak of. Both mid shaft breaks, probably front third, but not the tip.
2 were pass throughs the backstop (4 layers of carpet) and hitting the wall behind. One splintered the nock oddly enough. Point wasn't even marked from hitting concrete so the backstop slowed it down most of the way. The other hit a wood fence at an angle. Again not much energy left as the fence was only lightly scratched but it broke mid shaft.
1 was a shot into the target (bag target) nock end cracked and nock went flying. It was in the middle of an uncharacteristically tight group (4 arrows within a 1" circle) and I can only guess it slapped one of the other arrows.
The thing is I've done much nastier things to similar arrows out of my wheelie bow and rarely broken them.