Hey-guys-I've-been-looking-at-the-Ballistics-of-the-Lazzeroni-7.21-fire-bird.-It-is-very-impressive-7mm-why-don't-people-use-this-round-for-long-range-shooting.-The-brass-is-very-good-and-the-performace-is-the-most-impressive-of-the-7mm's.-I-am-thinking-it's-because-the-brass-is-so-expensive.-I-really-want-to-see-what-you-guys-have-to-say-about-this-round.-It-will-shoot-a-140grn-bullet-out-of-30"-barrel-at-3850-fps-a-150-grn-bullet-at-3750-fps-and-a-160-grn-bullets-at-3650-fps.-I-am-also-thinking-barrel-life-may-be-an-issues.-I-am-thinking-it-will-shoot-the-200grn-Wildcat-VLD-at-around-3250-fps.-What-is-the-reason-for-long-range-shooters-not-using-it?