These Lake City bullets are are mil spec M80 bullets and are <span style="font-weight: bold">steel jacketed, flash copper coated </span>just like the Winchester Q3130 308 (7.62x51) ammo. They have a cannelure and nice finished heel with exposed lead.
http://www.wideners.com/itemdetail.cfm?item_id=8791&dir=278|281|1079|1090
http://www.wideners.com/itemdetail.cfm?item_id=8791&dir=278|281|1079|1090