These are the 4.49mm Head Pellet
Qiang Yuan Sports Olympic Air Gun Pellets.
Qiang Yuan Sports Airgun Pellets, Olympic Medal Winning Pellets used by the Chinese Olympic Team on a regular basis. Direct from iHunter Limited, official European distributor for QYS Airgun Pellets .These are individually hand inspected pellets and individually packaged to secure the integrity and quality of the pellet. These are becoming increasingly popular for high end shooting.The choice of pellet for a winner.