This GEN2 version of Cutting Edge's 77gr bullet is designed with the SealTiteA(R) Band located further up on the body changing the projection length to .580". Cutting Edge's MTHA(R) line is machined out of lead free solid copper bar stock on a CNC lathe. These are a high BC, expanding bullet designed for hunting at all ranges. A unique feature of this bullet is their patented SealTiteA(R) band which is a band slightly larger than caliber diameter around the bullet which was designed to eliminate fliers by preventing gas blow-by. The SealTiteA(R) band also decreases copper fouling which is typically associated with mono metal bullets. These bullets do no Mfg: Cutting Edge Bullets