I had a bolt shroud crack as well, after a .308 was fired through a .270....

The cracked shroud was the only damage and the shooter did not know anything was wrong until he tried to work the bolt. Everything checked out fine and the rifle is cutting 1/2 moa at 200yards with two loads.

I'll put another vote for the DNZ mounts, I really like the concept of the one piece base and rings.

Hunt hard, kill clean, waste nothing and offer no apologies.

"In rifle work, group size is of some interest...but it is well to remember that a rifleman does not shoot groups, he shoots shots." Jeff Cooper